jucunditas
From LSJ
Φιλοκαλοῦμέν τε γὰρ μετ' εὐτελείας καὶ φιλοσοφοῦμεν ἄνευ μαλακίας → Our love of what is beautiful does not lead to extravagance; our love of the things of the mind does not makes us soft.
Latin > French (Gaffiot 2016)
jūcundĭtās,¹¹ ātis, f. (jucundus), charme, agrément, joie, plaisir : Cic. Fin. 1, 59 ; Agr. 2, 79 ; Off. 1, 122 || enjouement : Cic. de Or. 1, 27 || pl., manifestations aimables, gentillesses : Cic. Att. 10, 8, 9.