μείς (Ion. or Aeol.)
μείς (Ion. or Aeol.), μήν (Att.), ὁ, μηνός, dat. pl. μησί:
a month, Hom., etc. In early times the month was divided into two parts, the beginning and the waning (μὴν ἱστάμενος and μὴν φθίνων) , Od.: the Attic division was into three decads, μὴν ἱστάμενος (also ἀρχόμενος or εἰσιών) , μεσῶν, and φθίνων (or ἀπιών) : the last division was reckoned backwards, μηνὸς τετάρτῃ φθίνοντος on the fourth day from the end of the month, Thuc.; Μαιμακτηριῶνος δεκάτῃ ἀπιόντος, i. e. on the 21st, ap. Dem.; but sometimes forwards, as, τῇ τρίτῃ ἐπʼ εἰκάδι the three-and twentieth, etc.:— ἐκείνου τοῦ μηνός in the course of that month, Xen.:— κατὰ μῆνα monthly, Ar.; so τοῦ μηνὸς ἑκάστου Ar.; or τοῦ μηνός alone, by the month, id.
= μηνίσκος, Ar.