decennalis
From LSJ
ἃ γὰρ δεῖ μαθόντας ποιεῖν, ταῦτα ποιοῦντες μανθάνομεν → what we have to learn to do we learn by doing
Latin > English (Lewis & Short)
dĕcennālis: e, adj. decem-annus,
I of ten years, decennial (late Lat.; cf. decennis): bellum, i. e. Caesar's in Gaul, Amm. 15, 12, 6; of the Trojan war, Hier. adv. Jovin. 1, 48.—
II Subst.: DECENNALIA (ium, n.), a festival celebrated every ten years after the time of Augustus, Trebell. Gallien. 21, 5; Inscr. Grut. 116, 4; v. decennis fin.
Latin > French (Gaffiot 2016)
dĕcennālis, e, c. decennis : Amm. 15, 12 ; Hier. Jovin. 1, 48 || dĕcennālĭa, ĭum, n., les jeux décennaux : Treb. Gall. 21, 5 || gén. pl. iōrum : Prob. App. 196, 10.