Where does “Jacintha” come from?

Jacintha (English) comes from Latin Hyacintha, from Ancient Greek Ὑακίνθη, from Ancient Greek -ή, from Ancient Greek -ᾱ, from Proto-Indo-European -éh₂.

Ancestry of “Jacintha”, step by step

Step	Language	Word	Meaning
1	Latin	Hyacintha	—
2	Ancient Greek	Ὑακίνθη	Hyacinth as a woman's name; Hyacintha
3	Ancient Greek	-ή	suffix of feminine nouns in the [[Appendix:Ancient Greek first declension
4	Ancient Greek	-ᾱ	nominal suffix
5	Proto-Indo-European	-éh₂	—

Every word from Proto-Indo-European -éh₂ →Every word from Ancient Greek -ή →Every word from Ancient Greek -ᾱ →