noun
sentence-ending particle
A grammatical term for particles that attach to the end of a sentence to express mood, emphasis, question, or other nuances. Common examples include か, な, よ, and かしら.
日本語の終助詞には「か」「よ」「ね」などがある。
Japanese sentence-ending particles include 'ka', 'yo', 'ne', and others.
この文の終助詞「な」は詠嘆を表す。
The sentence-ending particle 'na' in this sentence expresses exclamation.
助詞 is the broader category of particles; 終助詞 is a subtype that marks sentence-final mood or force.
Compound of 終 (shū, 'end') + 助詞 (joshi, 'particle'), literally 'end particle'. The term is a modern linguistic coinage.