Translations into Ancient Greek (to 1453):
(transitive) To persistently harass.
(by extension) A male who constantly seeks the company of receptive females. In more recent times, hound has been replaced by dog but the sense remains the same.
A dog, particularly a breed with a good sense of smell developed for hunting other animals. (Hunt hound, Hunting hound, hunting dog, hunter)
(by extension) Someone who seeks something.