kâmv'iri Lexicon
Energy Flow: Location along Energy Flow ("Instrumentality")

-a˜  LSbj.  [marker of energy flow through non-subject nouns except singulars ending in a].   [_Na_>˜_>]

-ea˜  LSbj.  [marker of energy flow through singular nouns that end in -a].   [_Ne_>]   [PIA -a-i-na '[thematic instrumental singular]']