Where does “billionstel” come from?

billionstel (German) comes from German Billion, from French billion, from French -illion, from French million, from Middle French million, from Old French millon, from Italian milione, from Italian mille.

billionstel (German): trillionth

Definitions

trillionth

Ancestry of “billionstel”, step by step

Step	Language	Word	Meaning
1	German	Billion	A long scale billion, 10; a short scale trillion
2	French	billion	10; a long scale billion; a short scale trillion
3	French	-illion	-illion
4	French	million	million, 10
5	Middle French	million	million, 10
6	Old French	millon	—
7	Italian	milione	million
8	Italian	mille	thousand
9	Latin	Mīlle	—
10	Proto-Italic	smīɣeslī	—
11	Proto-Indo-European	smih₂ǵʰéslih₂	—

Every word from Proto-Indo-European smih₂ǵʰéslih₂ →