Where does “ideo” come from?

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

ideo (Latin): for that reason, therefore, thus; and so

Definitions

for that reason, therefore, thus; and so

Ancestry of “ideo”, step by step

ideo traces back through two separate lines of ancestry.

via Latin eō

Step	Language	Word	Meaning
1	Latin	eō	to go, to fare, to move (oneself) (any kind of animate or inanimate motion: walk, ride, sail, fly, etc.)
2	Proto-Italic	eō	I go
3	Proto-Italic	ejō	—
4	Proto-Indo-European	h₁éyti	to go, to be going
5	Proto-Indo-European	h₁ey-	to go

via Latin id

Step	Language	Word	Meaning
1	Latin	id	nominative neuter of is; it; accusative neuter of...
2	Proto-Indo-European	id	—

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