When they asked him (erōtōntōn autōn). Genitive absolute of present participle of erōtaō, old verb to ask a question, common in Koiné[28928]š to make a request as here.
He consented not (ouk epeneusen). First aorist active indicative of epineuō, old verb to express approval by a nod, only here in the N.T.