The first element of this name is derived either from Greek λέων (leon) meaning "lion" (compare Leander) or from Attic Greek λεώς (leos) meaning "the people" (see Leos). The second element is derived either from Greek ἀρχός (archos) "master" or from Greek ἀρχή (arche) "origin, source".
indicate the level to which a name has been verified.