Definition - A name derived from the name of either your father or one of your paternal ancestors.

Example -

Etymology -
The word derives from the Late Latin patronymicum, derived from a father's name. It ultimately derives from the Greek patros, father + onoma, name.

Oxford English Dictionary -
Its first citation is from 1612: "To some of these, other Patronymiques are giuen."
(Selden Illustr. Drayton's Poly-olb. viii. 132)

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