Where does “Spartrafo” come from?

Spartrafo (German) comes from German Spartransformator, from German Transformator, from French transformateur, from French transformer, from Old French transformer, from Latin transformo, from Latin fōrmō, from Latin fōrma — shape, form; appearance; outline.

Ancestry of “Spartrafo”, step by step

StepLanguageWordMeaning
1GermanSpartransformatorautotransformer
2GermanTransformatortransformer
3Frenchtransformateurtransformer; transformative
4Frenchtransformerto transform
5Old Frenchtransformer—
6LatintransformoI transform
7Latinfōrmōto shape, form, fashion, format
8Latinfōrmaform; figure, shape, appearance
9Etruscanmorma—
10Ancient Greekμορφήshape, form; appearance; outline
Every word from Ancient Greek μορφή →Every word from Etruscan morma →Every word from Latin fōrma →