Where does “swiftness” come from?

Swiftness derives from Middle English swiftnesse, from Old English swiftnes (swift plus the suffix -nes), from Proto-Germanic swiftaz, ultimately from Proto-Indo-European swey- or sew-, roots meaning to move or turn.

swiftness (English): The state of being swift

Definitions

  1. The state of being swift

Ancestry of “swiftness”, step by step

StepLanguageWordMeaning
1Middle Englishswiftnesse
2Old Englishswiftnesswiftness, fleetness, celerity
3Old English-nesUsed to form abstract nouns, usually from...
4Proto-West Germanic-nassīUsed to form abstract nouns, usually from...
5Proto-Germanic-inassuz-ness
6Proto-West Germanic-ness, -th
7Proto-Germanic-į̄-th
8Proto-Indo-European-íh₂
9Proto-Indo-European-h₂Creates collective nouns, which refer to groups...
Every word from Proto-Indo-European -h₂Every word from Old English -nesEvery word from Proto-Germanic -į̄
swiftness — Etymology, Origin & Word History | Etymology Explorer