Where does “Selbstbetrug” come from?

Selbstbetrug (German) comes from German Betrug, from Middle High German betroc, from Old High German bitrog, from Proto-Germanic drugą, from Proto-Germanic dreuganą, from Proto-Indo-European dʰrewgʰ-, from Proto-Indo-European dʰer- — to support; to hold.

Selbstbetrug (German): self-deception

Definitions

  1. self-deception

Ancestry of “Selbstbetrug”, step by step

Selbstbetrug traces back through two separate lines of ancestry.

via German Betrug

StepLanguageWordMeaning
1GermanBetrugfraud; deception, deceit; cheating
2Middle High Germanbetroc
3Old High Germanbitrogdelusion
4Proto-Germanicdrugądelusion
5Proto-Germanicdreuganąto mislead, to deceive; to serve, to be a...
6Proto-Indo-Europeandʰrewgʰ-to deceive, to mislead; to serve one's tribe;...
7Proto-Indo-Europeandʰer-to support; to hold

via German selbst

StepLanguageWordMeaning
1Germanselbstpersonally, by oneself; even
2Old High Germanselb
3Proto-Germanicselbazself
4Proto-Indo-Europeanselbʰ-one's own
5Proto-Indo-Europeans(w)e-separate, apart; separate; apart; oneself; one's...
6Proto-Indo-Europeanswéself
Every word from Proto-Indo-European dʰer-Every word from Proto-Indo-European dʰrewgʰ-Every word from Proto-Germanic dreuganą