Where does “upswimming” come from?

upswimming (English) comes from English swimming, from English -ing, from Old English -ing, from Old English -tūn, from Old English tūn, from Proto-West Germanic tūn, from Proto-Germanic tūną, from Gaulish dunum — smoke; mist, haze.

upswimming (English): swimming upward

Definitions

  1. swimming upward

Ancestry of “upswimming”, step by step

upswimming traces back through two separate lines of ancestry.

via English swimming

StepLanguageWordMeaning
1EnglishswimmingThe act or art of sustaining and propelling the...
2English-ingUsed to form gerunds, a type of verbal nouns,...
3Old English-ingForming nouns from verbs, indicating action,...
4Old English-tūnhomestead, village, town
5Old Englishtūnenclosure, yard; place; dwelling
6Proto-West Germanictūnfence
7Proto-Germanictūnąfence; enclosure
8Gaulishdunumfort; hill, hillfort
9Proto-Celticdūnomstronghold, rampart
10Proto-Indo-Europeandʰewh₂-smoke; mist, haze

via English up

StepLanguageWordMeaning
1EnglishupAway from the surface of the Earth or other...
2Middle Englishupto a vertical axis
3Old Englishuppup; upstairs
4Proto-West Germanic*upp
Every word from Proto-Indo-European dʰewh₂-Every word from Proto-Celtic dūnomEvery word from English -ing