PTDem 24.a:26[2] :בגין דזבינת מינך איתמל‏ : because I bought wheat from you yesterday
See the entire entry for ˀeṯmāl(y) adv. yesterday

PTDem 24.a:26[2] :בגין דזבינת מינך איתמל חיטין‏ : because I bought wheat from you yesterday
See the entire entry for bgyn conj. because, since