Perhaps from рать (ratʹ) + -овать (-ovatʹ). IPA(key): [ˈratəvətʲ] <span class="searchmatch">ра́товать</span> • (rátovatʹ) impf (literary) to fight (for), to stand up (for) (literary)...
IPA(key): [ˈratəvəɫə] ра́товало • (rátovalo) neuter singular past indicative imperfective of <span class="searchmatch">ра́товать</span> (rátovatʹ)...
IPA(key): [ˈratəvəfʂɨ] ра́товавши • (rátovavši) past adverbial imperfective participle of <span class="searchmatch">ра́товать</span> (rátovatʹ)...
IPA(key): [ˈratʊjə] ра́туя • (rátuja) present adverbial imperfective participle of <span class="searchmatch">ра́товать</span> (rátovatʹ)...
IPA(key): [ˈratəvəɫə] ра́товала • (rátovala) feminine singular past indicative imperfective of <span class="searchmatch">ра́товать</span> (rátovatʹ)...
IPA(key): [ˈratəvəɫ] ра́товал • (rátoval) masculine singular past indicative imperfective of <span class="searchmatch">ра́товать</span> (rátovatʹ)...
IPA(key): [ˈratəvəf] ра́товав • (rátovav) short past adverbial imperfective participle of <span class="searchmatch">ра́товать</span> (rátovatʹ)...
IPA(key): [ˈratʊjtʲe] ра́туйте • (rátujte) second-person plural imperative imperfective of <span class="searchmatch">ра́товать</span> (rátovatʹ)...
IPA(key): [ˈratʊj] ра́туй • (rátuj) second-person singular imperative imperfective of <span class="searchmatch">ра́товать</span> (rátovatʹ)...
IPA(key): [ˈratəvəlʲɪ] ра́товали • (rátovali) plural past indicative imperfective of <span class="searchmatch">ра́товать</span> (rátovatʹ)...