IPA(key): [pəkrʲɪpˈt͡ɕafʂɨ] <span class="searchmatch">покрепча́вши</span> • (pokrepčávši) past adverbial perfective participle of покрепча́ть (pokrepčátʹ)...
покрепча́вший pokrepčávšij passive — — adverbial — покрепча́в pokrepčáv, <span class="searchmatch">покрепча́вши</span> pokrepčávši present tense future tense 1st singular (я) — покрепча́ю...