Where does “eighteenfold” come from?

eighteenfold (English) comes from English eighteen, from Middle English eightetene, from Old English eahtatīene, from Proto-Germanic ahtōutehun, from Proto-Germanic ahtōu, from Proto-Indo-European oḱtṓw, from Proto-Indo-European aḱ- — sharp, pointed; sharp, pointed, edgy; sharp,...

eighteenfold (English): By a factor of eighteen

Definitions

  1. By a factor of eighteen

Ancestry of “eighteenfold”, step by step

eighteenfold traces back through two separate lines of ancestry.

via English eighteen

StepLanguageWordMeaning
1EnglisheighteenThe cardinal number occurring after seventeen and...
2Middle Englisheighteteneeighteen
3Old Englisheahtatīeneeighteen
4Proto-Germanicahtōutehuneighteen
5Proto-Germanicahtōueight
6Proto-Indo-Europeanoḱtṓweight
7Proto-Indo-Europeanaḱ-sharp, pointed; sharp, pointed, edgy; sharp,...

via English fold

StepLanguageWordMeaning
1EnglishfoldTo bend over so that it comes in contact with...
2Middle EnglishfoldA pen, enclosure, or shelter for domesticated animals
3Old Englishfald
4Proto-Germanicfaludazan enclosed space, enclosure
Every word from Proto-Indo-European aḱ-Every word from Proto-Indo-European oḱtṓwEvery word from Proto-Germanic ahtōu