BT Bek 8b(41) :ורצו{ע}<צ>א דמית בגו ביעתא‏ : a chick that died inside the egg
See the entire entry for warṣā/īṣ, warṣā/īṣā n.m. newborn chick

BT Bek 8b(41) : מהיכא נפיק רוחיה‏ : from where does the spirit (of a bird which dies in its shell) go out?
See the entire entry for rūḥ, rūḥā n.f./m. wind; spirit