BT Ker 5b(52) :היכא דלא נשיב זיקא‏ : where the wind does not blow
See the entire entry for nšb vb. to blow

BT Ker 5b(52) :נתלי שרגא בביתא היכא דלא נשיב זיקא‏ : let him hang a lamp in a room where the wind does not blow
See the entire entry for šrāḡ, šrāḡā n.m. lamp