nundina
From LSJ
τραχὺς ἐντεῦθεν μελάμπυγός τε τοῖς ἐχθροῖς ἅπασιν → he is a tough black-arse towards his enemies, he is a veritable Heracles towards his enemies
Latin > English
nundina nundinae N F :: market day (pl.); traffic; [novem+dies => held every ninth day]
Latin > English (Lewis & Short)
nundĭna: ae, f., v. nundinus, II.
Latin > French (Gaffiot 2016)
(2) nūndĭna, æ, ī, c. nundinæ : Sid. Ep. 7, 5.