Where does “Doppelagentin” come from?

Doppelagentin (German) comes from German Doppelagent, from German Agent, from French agent, from Middle French agent, from Latin agēns, from Latin agō, from Proto-Italic agō, from Proto-Indo-European h₂éǵeti — to drive.

Ancestry of “Doppelagentin”, step by step

StepLanguageWordMeaning
1GermanDoppelagentdouble agent
2GermanAgentagent; agent, spy
3Frenchagentagent
4Middle Frenchagent
5Latinagēnsdoing, acting, making
6Latinagōto act, to behave
7Proto-Italicagōdrive; push, impel; do, act
8Proto-Indo-Europeanh₂éǵetito be driving
9Proto-Indo-Europeanh₂eǵ-to drive
Every word from Proto-Indo-European h₂eǵ-