Kava/sound changes

Proto-Subumpamese (???) to Proto-Kava (1900)

1. The schwas ə ə̄ shifted to u ū.
2. The mid vowels e o rotated to i ə.
3. The high vowel i shifted to ə if touching a /q/ in either direction.
4. Primordial f shifted to p .
5. Primordial hʷ w shifted to f v.

Thus the consonant inventory was

Rounded bilabials:    pʷ  bʷ            
Bilabials:            p   b   m   f   v           
Alveolars:            t   d   n   s   l             
Postalveolars:        č   ǯ   ň   š   ł           
Palatals:             ć               y
Prevelars:            c̀        
Velars:               k   ġ   ŋ   x   g
Labiovelars:          kʷ  ġʷ      xʷ  gʷ
Uvulars:              q           h              
Rounded uvulars:      qʷ          

The vowel system was that of Gold: /a i u ə/. There were two tones and vowels could be short or long. Unlike Gold, long schwa was permitted and was fairly common.