quernus
From LSJ
μὴ κακὸν εὖ ἔρξῃς· σπείρειν ἴσον ἔστ' ἐνὶ πόντῳ → do no good to a bad man; it is like sowing in the sea
Latin > English (Lewis & Short)
quernus: a, um, adj. quercus; cf. querneus,
I of oaks, oaken, oak- (poet.): quernas glandes tum stringere tempus, Verg. G. 1, 305: vimen, id. A. 11, 65: stipes, Ov. F. 4, 333: corona, a garland of oak-leaves, id. Tr. 3, 1, 36.
Latin > English
quernus querna, quernum ADJ :: of oak, made of oak wood