Where does “Althea” come from?

Althea (Cebuano) comes from Ancient Greek Ἀλθαία, from Ancient Greek ἀλθαίνω, from Proto-Hellenic *h₂el-dʰ-, from Proto-Indo-European h₂él- — to grow, nourish.

Ancestry of “Althea”, step by step

StepLanguageWordMeaning
1Ancient GreekἈλθαίαAlthaea
2Ancient Greekἀλθαίνωto cure; marsh mallow; to heal
3Proto-Hellenic*h₂el-dʰ-—
4Proto-Indo-Europeanh₂él-to grow, nourish
Every word from Proto-Indo-European h₂él- →Every word from Proto-Hellenic *h₂el-dʰ- →Every word from Ancient Greek ἀλθαίνω →