ὑγροπόροισιν

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

Parsed as:

feminine dative plural (cp ὑγρόπορος)
✓ masculine dative plural (cp ὑγρόπορος)
neuter dative plural (cp ὑγρόπορος) of ὑγροπόρος