ἀρχοντικοῦ
ἀρχοντικός, of an archon
Morpho works with a static database. If you like, you can compare the output of Morpheus.
Parsed as:
masculine genitive singular (newmorph18)
neuter genitive singular (newmorph18) of
ἀρχοντικός
No checked forms of ἀρχοντικός in the morphology database.