Where does “itaque” come from?

itaque (Latin) comes from Latin ita, from Latin īre, from Proto-Italic eō, from Proto-Italic ejō, from Proto-Indo-European h₁éyti, from Proto-Indo-European h₁ey- — to go.

itaque (Latin): therefore; and so; in this way

Definitions

therefore; and so; in this way

Ancestry of “itaque”, step by step

Step	Language	Word	Meaning
1	Latin	ita	so; yes; thus
2	Latin	īre	—
3	Proto-Italic	eō	I go
4	Proto-Italic	ejō	—
5	Proto-Indo-European	h₁éyti	to go, to be going
6	Proto-Indo-European	h₁ey-	to go

Every word from Proto-Indo-European h₁ey- →Every word from Proto-Indo-European h₁éyti →Every word from Proto-Italic ejō →