IPA(key): [pəsvʲɪtˈlʲefʂɨ] <span class="searchmatch">посветле́вши</span> • (posvetlévši) past adverbial perfective participle of посветле́ть (posvetlétʹ)...
посветле́вший posvetlévšij passive — — adverbial — посветле́в posvetlév, <span class="searchmatch">посветле́вши</span> posvetlévši present tense future tense 1st singular (я) — посветле́ю...