jedne
Jedne is a term that appears in several Slavic-language grammars as a form connected to the numeral for “one.” In English-language reference works it is not treated as a standalone vocabulary item, but rather described as a declensional form with language-specific usage and agreement.
Etymology and meaning: The form derives from the Slavic root jed- that underlies the word for one
Linguistic usage: In Polish, jedne is the feminine plural form of jeden and is used before feminine
Other languages and notes: Cognate forms exist in other Slavic languages, where similar inflected shapes convey
See also: jeden, some linguistic discussions of numerals in Slavic languages.