predicative form; dictionary form; plain form
In traditional Japanese grammar, the form of a verb or adjective used at the end of a sentence; also the lemma form listed in dictionaries.
The predicative form of 'kaku' is 'kaku'.
In classical grammar, the predicative form and the attributive form were distinguished.
From 終止 (shūshi, 'ending') + 形 (kei, 'form'). A technical term from traditional Japanese grammar.