Where does “Агапия” come from?

Агапия (Russian) comes from Old East Slavic Ага́пиꙗ, from Old Church Slavonic Ага́пиꙗ, from Ancient Greek Ἀγάπια, from Ancient Greek -ῐ́ᾱ, from Proto-Indo-European -íh₂, from Proto-Indo-European -h₂ — Creates collective nouns, which refer to groups...