Changes from Griutungi & Gothic to Old Valthungian (ca. 300ᴀᴅ‒950ᴀᴅ)

Spirantisation I

Pre-Liquid Stop Insertion

Geminate Collapse I

Spirantisation II

Deletion of Interconsonantal h

Spirantisation III

Expansion of [fl]→[θl], [hL]

Consonant Cluster Voice Changes I

Clisis & Lexicalisation

Consonant Cluster Voice Changes II

Changes to Geminate Obstruents

Changes to Geminate Nasals I

Changes to Geminate Liquids

Metathesis

Deletion of s after r

s-Clusters Diffused

Lengthening of Word-Final Stressed Vowels

Reversal of High Diphthong Altitude Trajectory

Umlaut

Launch of Rhotacism

Changes of /j/ to /ʝ/

Long Mid Vowel Diphthongisation I

Expansion of East Germanic Verschärfung

Deletion of Final Unstressed [a]

Changes from Old Valthungian to Middle Valthungian (ca. 950ᴀᴅ‒1350ᴀᴅ)

Defenestration of Greek Fricatives

Changes to Geminate Nasals II

Deletion of word-initial prenasalised stops

Rhotacism Failure

j/z Merger

Initial h to þ before a sonorant

Assimilation of h after short vowels

Repulsion of h after long vowels

All of the Above

Changes to Geminates

Change of h to þ after a liquid

Assimilation of s in Consonant Clusters

Palatalisation of sk

Palatalisation of h before j

Palatalisation of Non-Labial Stops before j

Vowel Reduction: Long Vowel Shortening

Vowel Reduction: Diphthong Changes

Vowel Reduction: Schwa Changes

Vowel Reduction: Syllabic Sonorants

Changes from Middle Valthungian to Modern Valthungian (ca. 1350ᴀᴅ‒1850ᴀᴅ)

Changes from Early Modern Valthungian to the present