(This etymology is missing or incomplete. Please add to it, or discuss it at the Etymology scriptorium. Particularly: “any possible relation with くろ or かすむ? or くすぶる?”)
くすむ • (kusumu) ←くすむ (kusumu)?godan (stem くすみ (kusumi), past くすんだ (kusunda))
Katsuyōkei ("stem forms") | |||
---|---|---|---|
Mizenkei ("imperfective") | くすま | kusuma | |
Ren’yōkei ("continuative") | くすみ | kusumi | |
Shūshikei ("terminal") | くすむ | kusumu | |
Rentaikei ("attributive") | くすむ | kusumu | |
Kateikei ("hypothetical") | くすめ | kusume | |
Meireikei ("imperative") | くすめ | kusume | |
Key constructions | |||
Passive | くすまれる | kusumareru | |
Causative | くすませる くすます |
kusumaseru kusumasu | |
Potential | くすめる | kusumeru | |
Volitional | くすもう | kusumō | |
Negative | くすまない | kusumanai | |
Negative continuative | くすまず | kusumazu | |
Formal | くすみます | kusumimasu | |
Perfective | くすんだ | kusunda | |
Conjunctive | くすんで | kusunde | |
Hypothetical conditional | くすめば | kusumeba |