γέρων βοῦς ἀπένθητος δόμοισι → the old ox is not lamented by the family members
per-grandesco: ĕre,I v. inch. n., to grow very large (ante-class.), Att. ap. Non. 115, 9.
pergrandēscō, ĕre, intr., croître entièrement : Acc. Tr. 440.