Laërtius, The name of one whiche wrote the liues of Philosophers.
Lewis and Short: Latin dictionary
Lāërtius, a, um. I.Adj., from Laërtes, q. v. II. A.—II.An inhabitant of Laertes, a seaport town in Cilicia, e. g. Diogenes Laërtius, a Greek historian in the third century of the Christian era.