ἐπιθαλάμιον
ἐπιθαλάμιος, nuptial
Morpho works with a static database. If you like, you can compare the output of Morpheus.
Parsed as:
feminine accusative singular (Luc)
masculine accusative singular (Luc)
neuter accusative singular (Luc)
neuter nominative singular (Luc)
neuter vocative singular (Luc) of
ἐπιθαλάμιος