Where does “-ясни́ть” come from?

-ясни́ть (Russian) comes from Russian -и́ть, from Proto-Slavic -iti, from Proto-Indo-European -éyeti, from Proto-Indo-European -yeti — Creates transitive imperfective verbs from roots.

Ancestry of “-ясни́ть”, step by step

StepLanguageWordMeaning
1Russian-и́ть—
2Proto-Slavic-itiDeverbal, iterative; Deverbal, causative;...
3Proto-Indo-European-éyetiForms causative imperfective verbs from roots;...
4Proto-Indo-European-yetiCreates transitive imperfective verbs from roots

Words derived from “-ясни́ть”

Every word from Proto-Indo-European -yeti →Every word from Proto-Indo-European -éyeti →Every word from Proto-Slavic -iti →