χαίρειν
From LSJ
Greek > English (Woodhouse Verbs Reversed)
(see also χαίρω): enjoy, please, rejoice, be glad, be pleased with, delight in, exult over, joy in, love to, rejoice at, rejoice over, take a long farewell of, take pleasure in, triumph over
Lexicon Thucydideum
salvere, to be well, prosper, 3.104.5 (ex Hom. H. Ap. from Homer's Hymn to Apollo).