Polish flasza

← German Flasche (borrowed)

← Proto-Germanic *flaskǭ (derived)

← Proto-Germanic *flehtaną (mention)

← Middle High German flasche (derived)

← Proto-West Germanic *flaskā (derived)

← Old High German flasca (derived)

← Proto-Indo-European *pleḱ- (derived)

→ Polish flaszka (suffix)