From うん (un, the sound made when straining) + ち (chi), a suffixing element of unclear derivation; possibly related to the directional nominalizer ち (chi) also seen in words like こっち (kocchi, “this way, this direction”), どっち (docchi, “which way, which direction”).
うんちする • (unchi suru) suru (stem うんちし (unchisuru shi), past うんちした (unchisuru shita))
| Katsuyōkei ("stem forms") | ||||
|---|---|---|---|---|
| Mizenkei ("imperfective") | うんちし | unchi shi | ||
| Ren’yōkei ("continuative") | うんちし | unchi shi | ||
| Shūshikei ("terminal") | うんちする | unchi suru | ||
| Rentaikei ("attributive") | うんちする | unchi suru | ||
| Kateikei ("hypothetical") | うんちすれ | unchi sure | ||
| Meireikei ("imperative") | うんちせよ¹ うんちしろ² |
unchi seyo¹ unchi shiro² | ||
| Key constructions | ||||
| Passive | うんちされる | unchi sareru | ||
| Causative | うんちさせる うんちさす |
unchi saseru unchi sasu | ||
| Potential | うんちできる | unchi dekiru | ||
| Volitional | うんちしよう | unchi shiyō | ||
| Negative | うんちしない | unchi shinai | ||
| Negative continuative | うんちせず | unchi sezu | ||
| Formal | うんちします | unchi shimasu | ||
| Perfective | うんちした | unchi shita | ||
| Conjunctive | うんちして | unchi shite | ||
| Hypothetical conditional | うんちすれば | unchi sureba | ||
| ¹ Written imperative ² Spoken imperative | ||||
| For pronunciation and definitions of うんち – see the following entry. | ||
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| (This term, うんち, is the hiragana spelling of the above term.) |