ἑβδομαῖος
From LSJ
English (LSJ)
α, ον,
A on the seventh day, ἱδρώς Hp.Aph.4.36; ἑ. πυρετός a fever recurring every seven days, Id.Epid.1.24: ἑ. τραγῳδοί Luc.Hist.Conscr.1: with a Verb, διεφθείροντο ἑβδομαῖοι Th.2.49, cf. X.HG5.3.19, Plu.Galb.7; ἑ. ἡμέρα PSI6.690 (i/ii A.D.). 2 seven days old, τράγος Horap.1.48. II ἑβδομ-αῖον, τό, monthly festival of Apollo, IG22.1357 (iv B.C.), cf. ἑβδομαγέτης: pl., Schwyzer 687 B4 (Chios, vii/vi B.C.), 726.6 (Milet., v B. C.).