Where does “Milliardengrab” come from?

Milliardengrab (German) comes from German milliarde, from French milliard, from French million, from Middle French million, from Old French millon, from Italian milione, from Italian mille, from Latin Mīlle.

Ancestry of “Milliardengrab”, step by step

Milliardengrab traces back through two separate lines of ancestry.

via German milliarde

StepLanguageWordMeaning
1Germanmilliardebillion
2FrenchmilliardA milliard
3Frenchmillionmillion, 10
4Middle Frenchmillionmillion, 10
5Old Frenchmillon—
6Italianmilionemillion
7Italianmillethousand
8LatinMīllethousand; 1000
9Proto-Italicsmīɣeslīthousand
10Proto-Indo-Europeansmih₂ǵʰéslih₂—

via German grab

StepLanguageWordMeaning
1Germangrabgrave
2Middle High Germangrapgrave
3Old High Germangrapgrave; tomb
4Proto-Germanicgrabągrave
5Proto-Indo-Europeangʰrābʰ-to dig, scratch, scrape
Every word from Proto-Indo-European smih₂ǵʰéslih₂ →Every word from Proto-Italic smīɣeslī →Every word from Latin Mīlle →