εἴποτε · eipote — LSJ
if ever, as surely as
if ever, Il. 1.39; strengthd. εἴ ποτε δή ib. 503: used in asking a favour of any one, to call something to his mind, for εἴποτʼ ἔην γε, i.e. as surely as he was.
II if, whether ever
indirect, if or whether ever, Il. 2.97, etc.