TN Gen25:32 :ולמה כען לי בכורותא‏ : what is the birthright to me?
See the entire entry for bḵōrū, bḵōrūṯā n.f. birthright, primogeniture

TN Gen25:32 :ולמה כען לי בכורותא‏ : what do I need the birthright for now?
See the entire entry for lmā conj. why?