Patronymic

n. [Gr. πατρωνυμικόν (sc. ῥῆμα), from πατρωνυμικός, belonging to one’s father’s name, from πατήρ, πατρός, father, and ὄνομα or ὄνυμα, name; Lat. patronymicum (sc. nomen), It. & Sp. patronimico, Fr. nom patronymique.] A name derived from that of a parent or ancestor; a modification of the father’s name borne by the son; as, Tydides, the son of Tydeus; Pelides, the son of Peleus, that is, Achilles; Johnson, the son of John; Paulovitz, the son of Paul; also, the surname of a family; the family name. Lower.

a. Derived from ancestors, as a name; expressing the name of ancestors; as, a patronymic denomination.