scius
From LSJ
Λύπης ἰατρός ἐστιν ἀνθρώποις λόγος – For men reason is a healer of grief – Für Menschen ist der Trauer Arzt allein das Wort – Maeroris unica medicina oratio.
Latin > English (Lewis & Short)
scĭus: a, um, adj. scio,
I knowing, having knowledge of a thing (mostly ante- and post-class., and rare for sciens, gnarus, peritus).
(a) Absol.: neque quemquam invenit scium, Pac. ap. Prisc. p. 634: mulieres plus sciae, Petr. 63, 9: puto eos prudentes et scios mendacia defendenda suscipere, knowingly, wittingly, Lact. 3, 24 fin.; Vulg. Ecclus. 21, 18.—
(b) With gen.: rerum, Lact. 2, 14, 6: Latinae linguae, Macr. S. 6, 9 fin.>
Latin > French (Gaffiot 2016)
scĭus, a, um (scio), qui sait : Pacuv. d. Prisc. Gramm. p. 634 || qui agit sciemment : Lact. Inst. 3, 24, 10.