Proto-language
Reconstructions of Proto-Katuic, or its sub-branches, include:
- Thomas (1967): A Phonology Reconstruction of Proto-East-Katuic
- Diffloth (1982): Registres, devoisement, timbres vocaliques: leur histoire en katouique
- Efinov (1983): Problemy fonologicheskoj rekonstrukcii proto-katuicheskogo jazyka
- Peiros (1996): Katuic Comparative Dictionary
- Therapahan L-Thongkum (2001): Languages of the Tribes in Xekong Province, Southern Laos
- Paul Sidwell (2005): The Katuic languages: classification, reconstruction and comparative lexicon
Sidwell (2005) reconstructs the consonant inventory of proto-Katuic as follows:
| *p | *t | *c | *k | *ʔ |
| *b | *d | *ɟ | *ɡ | |
| *ɓ | *ɗ | *ʄ | ||
| *m | *n | *ɲ | *ŋ | |
| *w | *l, *r | *j | ||
| *s | *h |
This is identical to reconstructions of Proto-Mon Khmer except for *ʄ, which is better preserved in the Katuic languages than in other branches of Austro-Asiatic, and which Sidwell believes was also present in Proto-Mon Khmer.
Read more about this topic: Katuic Languages