OriginInherited from Proto-Slavic *(š)četъka, *sъčetь.
Formsčȅtka(canonical, feminine) · че̏тка(Cyrillic) · čȅtka(nominative, singular) · četke(nominative, plural) · četke(genitive, singular) · čȅtākā(genitive, plural) · čȅtkī(genitive, plural) · četki(dative, singular) · četkama(dative, plural) · četku(accusative, singular) · četke(accusative, plural) · četko(singular, vocative) · četke(plural, vocative) · četki(locative, singular) · četkama(locative, plural) · četkom(instrumental, singular) · četkama(instrumental, plural)
Source: Wiktionary — CC BY-SA 4.0