ὑπην-ήτης · hypēn-ētēs — LSJ
one that is just getting a beard (cf. foreg.), πρῶτον ὑ. a youth with his first beard, Il. 24.348, Od. 10.279, cf. Pl. Prt. 309b (quoting Homer), Him. Ecl. 13.24, al.; Ἑρμῆς ὑ., opp. Ζεὺς γενειήτης, Luc. Sacr. 11: generally, bearded, τράγος AP 6.32 (Agath.).