Where does “geminaturus” come from?

geminaturus (Latin) comes from Latin gemino, from Latin Geminus, from Latin geminus, from Proto-Italic jemanos, from Proto-Indo-European yemH- — twin.

Definitions

Ancestry of “geminaturus”, step by step

Step	Language	Word	Meaning
1	Latin	gemino	dative masculine singular of geminus; dative...
2	Latin	Geminus	twinborn, twin
3	Latin	geminus	twin; double, paired; a twin
4	Proto-Italic	jemanos	—
5	Proto-Indo-European	yemH-	twin

Every word from Proto-Indo-European yemH- →Every word from Proto-Italic jemanos →Every word from Latin geminus →