BT Ber 18b(49) :ומאי טעמא אחיכת‏ : why did you laugh?
See the entire entry for ḥwk vb. to laugh

BT Ber 18b(49) :דלעגל אתי‏ : because you will be coming quickly [i.e. you will die shortly]
See the entire entry for lˁgl adv. quickly, soon