Proto-Kra language

The Proto-Kra language is the reconstructed ancestor of the Kra languages. It was reconstructed in 2000 by Weera Ostapirat in his Ph.D. dissertation.

Ostapirat (2000) provided preliminary phonological reconstructions for several lower-level groupings before attempting a reconstruction of Proto-Kra.

Proto-Kra has a total of 32 consonants, seven of which (marked in green) can occur as syllable finals (Ostapirat 2000:224, 236).

Proto-Kra has a total of 6 vowels (Ostapirat 2000:235).

Proto-Kra has 4 diphthongs, which are not found in closed syllables.

Proto-Kra had an A–B–C–D tonal system typical of other Tai–Kadai languages (see Proto-Tai language#Tones). The tonal descriptions below are from Ostapirat (2000:237).

The following table of phonetic characteristics of Proto-Kra tones was adapted from Ostapirat (2000:237).

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