ריישע
'Rzeszów (city in southeastern Poland)'

ETYMOLOGY

Beider argues that Yiddish borrowed the name not from Polish Rzeszów, but from German Resche, in which the vowel had already been lengthened in an open syllable (so properly protovowel E₂ in Y).
ENHG Resche; from Polish Rzeszów.

RAyShE [Yiddishland, Paul Glasser]