postmeridianus
From LSJ
ἀσκεῖν περὶ τὰ νοσήματα δύο, ὠφελεῖν 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
Latin > English (Lewis & Short)
postmĕrīdĭānus: a, um, v. pomeridianus.
Latin > French (Gaffiot 2016)
postmĕrīdĭānus¹⁵ et posm-, qui a lieu l’après-midi : Cic. Fin. 5, 1 ; postmeridianum tempus Cic. Tusc. 3, 7, l’après-midi || posm- Cic. de Or. 3, 121 ; Or. 157.