Valthungian/Rules

Historical Sound Changes from Proto-Germanic to East Germanic (ca. 400b.c.-0)

First Umlaut

Has to precede Mora Loss Has to precede ŋ-deletion

ŋ-Deletion

Intervocalic Spirantization

EGmc Reflex of 1st Umlaut

Monophthongization

Has to precede Mora Loss

Mora Loss

Coronal Consonant Deletion

Unstr. Final Short Vowel Deletion

Final Unstr. Long Vowel Shortening

Historical Sound Changes from East-Germanic to Gothic (ca. 0-400a.d.)

[these changes still need to be ordered correctly]

z-Deletion, Obstruent Devoicing

h-Deletion

Long Vowel Lowering

Glide Gemination (EGmc Verschärfung Stage I)

Glide Insertion

m-Assimilation

Change of Initial fl to þl

r,n-Dissimilation

Change of am to um, Post-tonic e to a

Thurneysen's Law

EGmc Verschärfung Stage II

Historical Sound Changes from Gothic to Old Gutish (ca. 400-800a.d.)

Expansion of Gothic Glide Insertion

Obstruent Devoicing (Persistent)

Geminate Simplification (Type I, Persistent)

Intervocalic Voiced Stop to Fricative Expansion

Stop Insertion after Nasals

Expansion of East Germanic /fl/-to-/θl/

Voicing and Devoicing of Obstruent Clusters

Clitic Separation

Geminate Simplification (Type II, Synchronic)

Short Vowel Lengthening

Expansion of East Germanic Verschärfung

Long Diphthong Extension

Glide Deletion

Deletion of Final Unstressed /a/

Diphthong Changes

Historical Sound Changes from Old to Middle Gutish (ca. 800-1200a.d.)

Rejection of Greek Fricatives

Rhotacism

Stressed Long Vowel Raising

Vowel Tensing

Deletion and Assimilation of /h/

Palatalisation & Affrication

Unstressed Vowel Reduction and Deletion

Historical Sound Changes from Middle to Classical Gutish (ca. 1200-1600a.d.)

Unstressed Vowel Reduction and Deletion

Unpacking

Deletion of /b,f/

Deletion of /g/ between Nasals