μεθημερινός
From LSJ
ἀσκέειν, περὶ τὰ νουσήματα, δύο, ὠφελέειν, ἢ μὴ βλάπτειν → strive, with regard to diseases, for two things — to do good, or to do no harm | as to diseases, make a habit of two things — to help, or at least, to do no harm
English (LSJ)
ή, όν, (ἡμέρα)
A by day, φῶς Pl.Ti.45c; φυλακαί X.Lac. 12.2; μ. γάμοι prostitution in open daylight, D.18.129, cf. Ph.1.155; τὸ μεθημερινόν (sc. μέρος) Pl.Sph.220d. 2 of fevers, remittent quotidian, Gal. 17(1).221.