Sophocles, Oedipus at Colonus 284-5 (web address 1), with scholion.
The headword (extracted from the quotation) is the masculine/feminine accusative singular form of the two-termination compound adjective e)xe/gguos, which literally means 'having security'. The adjective normally means 'providing security' (as in epsilon 3981) in an active sense. This passive sense of 'receiving security' is rare; hence its glossing here.