Where does “agentese” come from?

agentese (English) comes from English agent, from Latin agēns, from Latin agō, from Proto-Italic agō, from Proto-Indo-European h₂éǵeti, from Proto-Indo-European h₂eǵ- — to drive.

agentese (English): The jargon used by agents or an agency

Definitions

The jargon used by agents or an agency

Ancestry of “agentese”, step by step

agentese traces back through two separate lines of ancestry.

via English agent

Step	Language	Word	Meaning
1	English	agent	One who exerts power, or has the power to act;...
2	Latin	agēns	doing, acting, making
3	Latin	agō	to act, to behave
4	Proto-Italic	agō	drive; push, impel; do, act
5	Proto-Indo-European	h₂éǵeti	to be driving
6	Proto-Indo-European	h₂eǵ-	to drive

via English ese

Step	Language	Word	Meaning
1	English	ese	dude, man
2	Mexican Spanish	ese	The name of the Latin-script letter S; that;...
3	Latin	ipse	himself, herself, itself, the very, the actual;...
4	Proto-Italic	*e(s)peso	himself, herself, itself

Every word from Proto-Indo-European h₂eǵ- →Every word from Proto-Indo-European h₂éǵeti →Every word from Proto-Italic agō →