νυχαυγής
νυχαυγής, shining by night
Alas! Could not find the search term νυχαυγής.
Found the closest form νυχίαν. Other nearby forms can be found in the wordwheel, or perhaps try searching again without accents.
Morpho works with a static database. If you like, you can compare the output of Morpheus.
Parsed as:
✓ feminine accusative singular of νύχιος
No checked forms of νυχαυγής in the morphology database.