Where does “ξεκωλιάρα” come from?

ξεκωλιάρα (Greek) comes from Greek ξέκωλος, from Greek κώλος, from Ancient Greek κῶλον — part of something, member; part of the body:...

ξεκωλιάρα (Greek): Nominative singular feminine form of ξεκωλιάρης;...