κήδεσθαι
From LSJ
ἀγωνίζεσθαι, ἐπιζητεῖν, εὑρίσκειν καί μή εἴκειν → to strive, to seek, to find, and not to yield (Tennyson, Ulysses)
Greek > English (Woodhouse Verbs Reversed)
(see also κήδω): heed, prize, value, attend to, be anxious about, be concerned about, care for, look after, see about