Where does “ἄκαρι” come from?

ἄκαρι (Ancient Greek) comes from Ancient Greek ἀκαρής, from Ancient Greek -ής, from Proto-Indo-European -ēs, from Proto-Indo-European -ess, from Proto-Indo-European -os — Creates action nouns or result nouns from verbs;...

ἄκαρι (Ancient Greek): Alternative form of ἀκαρί; cheese mite, tick;...