Proto-Kiapni language

complex tense system (many degrees of spatial and temporal displacement), inclusive/exclusive we distinction; brown - [pimtse] water - [|iesi], gift - [pkxim:eun], man - [pi], boat - [teᵑǁom]

Allophony
Allophones of /p/ are /β/, /ɸ/; allophones of /t/ are /ɾ/, /θ/; /g/ is an allophone of /k/; /z/ is an allophone of /s/.

Phonotactics
C(C)V(V)(C)

No consonant clusters of more than two consonants are allowed. Affricates, aspirates, and nasalised clicks count as a single consonant in this analysis. Nasalised vowels may not appear in a diphthong with an oral vowel.

Grammar
Proto-Kiapni is highly agglutinating.

Syntax
Proto-Kiapni typically demonstrates Subject-Object-Verb word order. Prepositions, determiners, and adjectives normally precede the substantives they modify, and adverbs appear at the end of a clause.

Verbs
Verbs in Proto-Kiapni receive the most bound morphemes of any part of speech. The order of these is as follows:

(Voice)+Verb+(Tense)+(Mood)+Subject OR Subject-Object