知ろす

Japanese

Kanji in this term
知
し Grade: 2
kun’yomi

Etymology

From 知(し)ら (shira), the 未然形 (mizenkei, “irrealis form”) of 知(し)る (shiru, “to know”) + auxiliary verb す (su).

知(し)ら (shira) changes to 知(し)ろ (shiro) as the result of 音便 (onbin, “euphony”).

Verb

知(し)ろす • (shirosu) transitive ^†yodan

1. (Classical Japanese, archaic, honorific) to know

Conjugation

Classical conjugation of "知ろす" (サ行四段活用, see Appendix:Japanese verbs.)

Stem forms
Irrealis (未然形)	知ろさ	しろさ	sirosa
Continuative (連用形)	知ろし	しろし	sirosi
Terminal (終止形)	知ろす	しろす	sirosu
Attributive (連体形)	知ろす	しろす	sirosu
Realis (已然形)	知ろせ	しろせ	sirose
Imperative (命令形)	知ろせ	しろせ	sirose
Key constructions
Negative	知ろさず	しろさず	sirosazu
Contrasting conjunction	知ろせど	しろせど	sirosedo
Causal conjunction	知ろせば	しろせば	siroseba
Conditional conjunction	知ろさば	しろさば	sirosaba
Past tense (firsthand knowledge)	知ろしき	しろしき	sirosiki
Past tense (secondhand knowledge)	知ろしけり	しろしけり	sirosikeri
Perfect tense (conscious action)	知ろしつ	しろしつ	sirositu
Perfect tense (natural event)	知ろしぬ	しろしぬ	sirosinu
Perfect-continuative tense	知ろせり 知ろしたり	しろせり しろしたり	siroseri sirositari
Volitional	知ろさむ	しろさむ	sirosamu