קאָטשער
־ס
דער
קאַטשער
'drake, male duck'

ETYMOLOGY

Beider suggests that Y could have borrowed the word not directly from Polish, but from a local German dialect spoken in Poland. This would explain the reflexes of protovowel A₃, from a lengthened /a/ in an open syllable.
Polish kaczor (from the 15th c., based on kaczka; see קאַטשקע).

CENTRAL

kúːčɛ {POLAND, Wolbrom, 50196}

NORTHEASTERN

Lithuania

kác̀ɛʀ {LITHUANIA, Vilnius, 54257}