PTBB 17.c:33[2] :אוג{ר}<ד>וי מחיק‏ : the Greek prefix for eighty ὀγδοι was erased
See the entire entry for ˀwgdwy n.f. first part of Greek number for eighty

PTBB 17.c:33[2] :אוג{ר}<ד>וי מחיק קונטא לא מחיק‏ : the ὀγδοή- was erased, but the -κοντα was not erased
See the entire entry for qwnṭh num. decad