Τηθύς

ύος, ἡ
A. Ὠκεανὸν . . καὶ Τηθὺν ἐποίησαν τῆς γενέσεως πατέρας Arist. Metaph. 983b30; taken as type of a very old woman, prob. in Call. Iamb. 1.248 (Hermes 69.174); cf. προτήθυς.
II. in later writers, the Sea, Lyc. 1069, AP 7.214.6 (Arch.), Nonn. D. 31.187, Orph. A. 335, etc., cf. Porph. ap. Eus. PE 3.11, Suid. [υ in disyll. cases, υ in trisyll.]
Liddell, Scott & Jones
A Greek-English Lexicon, 1940
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