קָדַר
From LSJ
τὸν ἰητρὸν δοκέει μοι ἄριστον εἶναι πρόνοιαν ἐπιτηδεύειν → it appears to me a most excellent thing for the physician to cultivate prognosis
English (Strong)
a primitive root; to be ashy, i.e. dark-colored; by implication, to mourn (in sackcloth or sordid garments): be black(-ish), be (make) dark(-en), X heavily, (cause to) mourn.
