Old Kurmian
Sound changes
- short e > short i, short i > ə
- short a o u > short ä ö ü
- /au ai/ > /aː/, /oy/ > /waː/
- back vowels should break as in OC > MC
- final fricatives > breathy tone > low tone
- lexical mutation
- grammatical mutation
- standardize Irish-style orthography?
- slenderization yielding MC-style medials
- vowel length lost