BT Sot 35a(10) :ריש קטיעא ימלל‏ : should one with a severed head speak?
See the entire entry for mll vb. D to speak

BT Sot 35a(10) :ריש קטיעא ימלל‏ : should 'the one whose head is cut off ' [i.e. Joshua] speak?
See the entire entry for qṭyˁ adj. cut off, mutilated