ἀπονυκτερεύων
ἀπονυκτερεύω, to pass a night away from
Morpho works with a static database. If you like, you can compare the output of Morpheus.
Parsed as:
present active participle masculine nominative singular of ἀπονυκτερεύω
No checked forms of ἀπονυκτερεύω in the morphology database.