Where does “Verachtfacher” come from?

Verachtfacher (German) comes from German verachtfachen, from German achtfach, from German Acht, from Middle High German āhte, from Old High German ahtô, from Proto-Germanic ahtō, from Proto-Germanic ahtōu, from Proto-Indo-European oḱtṓw — sharp, pointed; sharp, pointed, edgy; sharp,...

Ancestry of “Verachtfacher”, step by step

StepLanguageWordMeaning
1Germanverachtfachento octuple, to octuplicate, to multiply by eight
2Germanachtfacheightfold
3GermanAchtthe natural number eight; the numeral sign 8; a...
4Middle High Germanāhte
5Old High Germanahtôeight
6Proto-Germanicahtō
7Proto-Germanicahtōueight
8Proto-Indo-Europeanoḱtṓweight
9Proto-Indo-Europeanaḱ-sharp, pointed; sharp, pointed, edgy; sharp,...
Every word from Proto-Indo-European aḱ-Every word from Proto-Indo-European oḱtṓwEvery word from Proto-Germanic ahtōu