πόρτις

ιος, ἡ
A. πόρτιας Ant.Lib. 23.3), calf, young heifer (younger than δαμάλη, Sch.Theoc. 1.75), Il. 5.162, h.Cer. 174, S. Tr. 530 (lyr.), etc.; δαμάλαι καὶ πόρτιες Theoc. 1.75; ἀεργηλὴν ἔτι π. A.R. 4.1186; young cow, Theoc. 1.121, Mosch. 3.82: rarely masc., A. Supp. 41 (lyr.), 314.
2. metaph., young maiden, Lyc. 102; cf. πόρις. (Cf. Skt. pṛthukas 'young of an animal', Arm. orth 'calf'.)
Liddell, Scott & Jones
A Greek-English Lexicon, 1940
An open-access project