Agniveshyagrihyasutra 1.6.1.3

1.6.1.3

iti guruśāsanāt sarvāṅginīṃ manojñāṃ yavīyasīṃ brahmacāriṇīṃ kanyām asagotrāṃ māturasapiṇḍām anuktāmagarhitāṃ nakṣatranadīvṛkṣābhidhānāsaṃyuktām \

According to this instruction of the teacher, [he should marry] a virgin girl who is complete in limbs, pleasing, younger, who has preserved her chastity, not belonging to the same gotra, not a sapiṇḍa kinsman of the mother, unblamed, uncensured, and not bearing a name of a constellation, river, or tree.