Where does “fastpack” come from?

fastpack (English) comes from English fast, from Middle English fast, from Old English fæste, from Old English -e, from Old English -en, from Old Norse -inn, from Proto-Norse -īna-, from Proto-Germanic -īnaz — adjectival suffix.

fastpack (English): To run while carrying a backpack on a multi-day...

Definitions

  1. To run while carrying a backpack on a multi-day...

Ancestry of “fastpack”, step by step

fastpack traces back through two separate lines of ancestry.

via English fast

StepLanguageWordMeaning
1EnglishfastFirmly or securely fixed in place; stable; Firm...
2Middle Englishfastfast quickly
3Old Englishfæstefirmly, fastly, tightly
4Old English-eforming adverbs from adjectives; -ly
5Old English-enmæġþ + API → mæġden; cocc + API → cycen, cicen;...
6Old Norse-innUsed to create adjectives from nouns, meaning...
7Proto-Norse-īna-
8Proto-Germanic-īnaz-en
9Proto-Indo-European-iHnosCreates adjectives of materials
10Proto-Indo-European-no-adjectival suffix

via English backpack

StepLanguageWordMeaning
1EnglishbackpackA knapsack, sometimes mounted on a light frame,...
2EnglishpackA bundle made up and prepared to be carried;...
3Middle EnglishpakkenTo pack; to put into a pack or container; To...
4Middle EnglishpakA bundle, pack or package; a collection of items...
5Old Englishpæcca
6Frankishpakkō
7Proto-Germanicpakkôbundle; pack; package
Every word from Proto-Indo-European -no-
fastpack — Etymology, Origin & Word History | Etymology Explorer