ὑγιαίνειν
From LSJ
Εὔτολμος εἶναι κρῖνε, τολμηρὸς δὲ μή → Audentiam tibi sume, non audaciam → Entschlossen zeige Mut, doch nicht Verwegenheit
Greek > English (Woodhouse Verbs Reversed)
(see also ὑγιαίνω): be in good health, be sane, be sound, be well in health