Russian Wikipedia has an article on: <span class="searchmatch">боярышник</span> Wikipedia ru Per Vasmer (and others), from боя́рич (bojárič), in turn from боя́рин (bojárin). Compare княжени́ка...
IPA(key): [bɐˈjarɨʂnʲɪkʲe] боя́рышнике • (bojáryšnike) m inan prepositional singular of <span class="searchmatch">боя́рышник</span> (bojáryšnik)...
IPA(key): [bɐˈjarɨʂnʲɪkəx] боя́рышниках • (bojáryšnikax) m inan pl prepositional plural of <span class="searchmatch">боя́рышник</span> (bojáryšnik)...
IPA(key): [bɐˈjarɨʂnʲɪkəmʲɪ] боя́рышниками • (bojáryšnikami) m inan pl instrumental plural of <span class="searchmatch">боя́рышник</span> (bojáryšnik)...
IPA(key): [bɐˈjarɨʂnʲɪkə] боя́рышника • (bojáryšnika) m inan genitive singular of <span class="searchmatch">боя́рышник</span> (bojáryšnik)...
IPA(key): [bɐˈjarɨʂnʲɪkəm] боя́рышником • (bojáryšnikom) m inan instrumental singular of <span class="searchmatch">боя́рышник</span> (bojáryšnik)...
IPA(key): [bɐˈjarɨʂnʲɪkəf] боя́рышников • (bojáryšnikov) m inan pl genitive plural of <span class="searchmatch">боя́рышник</span> (bojáryšnik)...
IPA(key): [bɐˈjarɨʂnʲɪkəm] боя́рышникам • (bojáryšnikam) m inan pl dative plural of <span class="searchmatch">боя́рышник</span> (bojáryšnik)...
IPA(key): [bɐˈjarɨʂnʲɪkʊ] боя́рышнику • (bojáryšniku) m inan dative singular of <span class="searchmatch">боя́рышник</span> (bojáryšnik)...
IPA(key): [bɐˈjarɨʂnʲɪkʲɪ] боя́рышники • (bojáryšniki) m inan pl nominative/accusative plural of <span class="searchmatch">боя́рышник</span> (bojáryšnik)...