Carthus-

Morpho's Latin capability is in its infancy. Many of the entries in the wordwheel may not have parse information or link to a incorrect or nonexistent lemma in Logeion. If you would like a second opinion on our parse, we recommend our local install of Whitaker's Words. You can also consult LemLat (this will take a moment).

Alas! Could not find the search term Carthus-.
Found the closest form Carthaea. Other nearby forms can be found in the wordwheel, or perhaps try searching again without accents.

Parsed as:

Proper-name noun feminine nominative singular
Proper-name noun feminine ablative singular
Proper-name noun feminine vocative singular of Carthaea