Bźatga/History: Difference between revisions

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==History==
==History==
 
===Proto-Celtic to Common Brittonic (to 1st Century AD)===
* '''Monophthongisation of diphthongs'''
* '''Short vowels remain in stressed syllables:''' ''a, e, i, o, u''
** ''ai > ɛː; ei > ; oi > oː; eu, ou > ɔː, au > aː''
* '''Long vowels and diphthongs in stressed syllables:'''
{| class="wikitable"
|-
! Proto-Celtic !! Common Brittonic
|-
| ''ā, au'' || ''aː''
|-
| ''ai'' || ''ɛː''
|-
| ''ei'' || ''''
|-
| ''eu, ou'' || ''ɔː''
|-
| ''ī'' || ''iː''
|-
| ''oi'' || ''oː''
|-
| ''ū'' || ''uː''
|}
* '''Reduction of pretonic & final vowels'''
* '''Reduction of pretonic & final vowels'''
** short vowels lowered
** short vowels lowered: ''o > ɔ'' (merges with ''a''), ''i'' > ''e'', ''u > o''
** long vowels shortened
** long vowels shortened
* '''Lenition of intervocalic stops, ''m'' & ''s'''''
* '''Lenition of intervocalic stops, ''m'' & ''s'''''
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** ''m'' > ''ṽ''
** ''m'' > ''ṽ''
** ''s'' > ''h''
** ''s'' > ''h''
** ''st'' > ''ss''
===Proto-Bźatga (1st to 8th Centuries)===
Defined as the period after Bźatga split from Common Brittonic, before it was written.
* '''Compensatory Lengthening of vowels before ''n''C'''
* '''Compensatory Lengthening of vowels before ''n''C'''
** ''a > ā; e > ɛː; i > ī; o > ɔː; u > ū''
** ''a > ā; e > ɛː; i > ; o > ɔː; u > ''
** the change indicates that short ''e'' was /ɛ/ and short ''o'' was /ɔ/. The short high vowels ''i'' and ''u'' may similarly have been lowered to /ɪ/ and /ʊ/.
* '''Diphthonisation before CC or C + non-high vowel'''
* '''Diphthonisation before CC or C + back vowel/''a'''''
** ''ɛː > ea > ia''
** ''ɛː > ia''
** ''> ie''
** ''ē > ie''
** ''ɔː > oa > ua''
* '''Vocalisation of ''ɣ'' and ''-h-'''''
** ''oː > uo''
** ''ɣ'' > ''w'' after ''o(ː), ɔː, u(ː)''
* '''Vocalisation of ''ɣ'''''
** ''ɣ'' > ''j'' after other vowels
** Intervocalic ''ɣ'' > ''w'' after ''o(ː), ɔː, u(ː)''
** Intervocalic ''ɣ'' > ''j'' after other vowels
** ''ɣC > jC'' (note ''ɣj'' already ''j'')
** ''Cɣ > Cw, Cj'' depending on the quality of the preceding vowel
* '''Vocalisation of ''-h-'''''
** medial ''-h-'' (from ''s'') becomes ''j'' before front vowels (''i, e'' etc), ''w'' before ''u'' and is lost before ''a, o''.  
** medial ''-h-'' (from ''s'') becomes ''j'' before front vowels (''i, e'' etc), ''w'' before ''u'' and is lost before ''a, o''.  
*** ''esa, eso'' > ''iːa, iːo''
*** ''esa, eso'' > ''iːa, iːo''
*** ''ese, esi'' > ''ɛːe, ɛːi''
*** ''ese, esi'' > ''ɛːje, ɛːji''
** final ''-h-'' (from ''s'') is lost
** final ''-h-'' (from ''s'') is lost
* '''Merger of ''v, ṽ'' and ''w''
* '''Merger of ''v, ṽ'' and ''w''
** the quality of the new sound is unclear, but it is represented here by ''β''
** ''v'' (from PrC. ''b''), ''ṽ'' (from PrC. ''m'') and ''w'' (from PrC. ''w, g, h'') merge into a single sound, probably the bilabial fricative ''β''
** metathesis of C''β'' as ''u''C
** vocalisation of ''β''C > ''u''C
** vocalisation of ''β''C > ''u''C
** metathesis of C''β'' as ''u''C
 
===Old Bźatga (8th to 12th centuries)===
Defined as the period from the first written records to the phonemicisation of iotisation.
* '''Metathesis of V''r''C > ''r''VC'''
* '''Metathesis of V''r''C > ''r''VC'''
** new ''mr-'' > ''br-'', ''nr-'' > ''dr-''
** new ''mr-'' > ''br-'', ''nr-'' > ''dr-''
* '''Loss of vowel quantity'''
* '''Loss of vowel quantity'''
** all long vowels become short, creating a 10 vowel system.
** all long vowels become short, creating an 8 vowel system.
** ''aː, ɛː, ɔː'' merge with their short counterparts, ''a, ɛ, ɔ''
** ''aː, ɛː, ɔː'' merge with their short counterparts, ''a, ɛ, ɔ''
** ''eː, oː'' create new short vowels ''e, o''
** ''eː, oː'' create new short vowels ''e, o'', merging with existing ''ɪ, ʊ'' as ''ê, ô'' (note ''ɪj''V, ''uβ''V become ''ij''V, ''uβ''V.
** ''iː, uː'' create new short vowels ''i, u'' alongside existing ''ɪ, ʊ''
** ''iː, uː'' create new short vowels ''i, u''
** the new vowel system:
** the new vowel system:


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<!-- NEAR-CLOSE VOWELS -->
<!-- NEAR-CLOSE VOWELS -->
<div style="position: absolute; left: 28%; width: 2.33em; top: 17%; background: white;">ɪ</div>
<div style="position: absolute; left: 28%; width: 2.33em; top: 17%; background: white;"></div>
<div style="position: absolute; left: 44%; width: 4em; top: 17%; background: white;"></div>
<div style="position: absolute; left: 44%; width: 4em; top: 17%; background: white;"></div>
<div style="position: absolute; left: 74%; width: 1.5em; top: 17%; background: white;">ʊ</div>
<div style="position: absolute; left: 74%; width: 1.5em; top: 17%; background: white;"></div>


<!-- CLOSE-MID VOWELS -->
<!-- CLOSE-MID VOWELS -->
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|}
|}


* '''Merger of near-high vowels'''
** ''ɪ > e'' and ''ʊ > o''
** the sequence ''ɪj''V becomes ''ij''V (later ''ia'')
* '''Iotisation'''
* '''Iotisation'''
** semi-vowel ''j'' merges with adjacent consonant
** semi-vowel ''j'' merges with adjacent consonant
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** note that iotisation continues to work as a productive sound change.
** note that iotisation continues to work as a productive sound change.
* '''Merger of semivowels
* '''Merger of semivowels
** sequences ''ij'', ''ji'', ''uv'', ''vu'' merge into a single vowel ''i'' or ''u''
** sequences ''ij'', ''ji'', '''', ''βu'' merge into a single vowel ''i'' or ''u''
** ''i''V > ''j''V, causing iotisation to the preceding consonant
** ''i''V > ''j''V, causing iotisation to the preceding consonant
** ''ovi'' > ''oi''
** ''oβi'' > ''oi''
 
===Middle Bźatga (12th to 16th centuries)===
Defined as the period in which syncope phonemicised iotised consonants to the period of renewed contact with the outside world.
* '''Syncope'''
* '''Syncope'''
** intervocalic, internal vowels are lost except where this would cause an impossible consonant cluster.
** intervocalic, internal vowels are lost except where this would cause an impossible consonant cluster.
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** ''t, d'' > ''ts, dz''
** ''t, d'' > ''ts, dz''
** ''n, l, r'' > ''ń, ĺ, ŕ''
** ''n, l, r'' > ''ń, ĺ, ŕ''
===Modern Bźatga (16th century to Present)===
Following the Middle Bźatga period, phonology has remained fairly stable but there has been a significant amount of analogical levelling in the inflectional paradigms, along with a considerable growth in borrowed words, particularly of a scientific and technological nature. The modern period also saw the replacement of the archaic, formal written language with a vernacular form and the creation of the modern spelling system. 


====Examples====
====Examples====
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