umbrātĭcus — Lewis & Short
umbrātĭcus, a, um, adj.umbra,
I of or belonging to the shade, i. e. to retirement, seclusion, or leisure:
homo,i. e. who loves to stay in the shade, an idler, lounger, Plaut. Curc. 4, 3, 24.—
II Esp., retired, private, contemplative (opp. forensis):
Epicureorum delicata et umbratica turba,Sen. Ben. 4, 2, 1:
solitaria et velut umbratica vita,Quint. 1, 2, 18 Zumpt N. cr. (al. umbratili):
doctor,i. e. one who teaches at home, a private tutor, Petr. 2:
litterae,composed in one's study, Plin. Ep. 9, 2, 3:
negotium,that is attended to at home, Gell. 3, 1, 10.