ἁλοσύδναι

Morpho works with a static database. If you like, you can compare the output of Morpheus.

Parsed as:

✓ proper-name adjective feminine nominative plural (cp Ἁλοσύδνη)
proper-name adjective feminine vocative plural (cp Ἁλοσύδνη)
proper-name adjective feminine dative singular (cp Ἁλοσύδνη) of ἁλοσύδνη