BT Šab 52a(6) :כיון דמנתחא ליה כאיב לה ולא אתיא לנתוחי‏ : since (if the goat) pulls it out [i.e. the bit] it will be in pain, it is not going to pull it out
See the entire entry for ˀty vb. to come, arrive

BT Šab 52a(6) :כיון דמנתחא ליה כאיב לה ולא אתיא לנתוחי‏ : since (if the goat) pulls it out [i.e. the bit] it will be in pain, it is not going to pull it out
See the entire entry for ntḥ vb. to stretch out the hand and pull s.o./s.t.