Where does “undecreasing” come from?

undecreasing (English) comes from English decreasing, 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.

undecreasing (English): Not decreasing; growing no smaller

Definitions

  1. Not decreasing; growing no smaller

Ancestry of “undecreasing”, step by step

undecreasing traces back through two separate lines of ancestry.

via English decreasing

StepLanguageWordMeaning
1Englishdecreasingpresent participle of decrease
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 un

StepLanguageWordMeaning
1EnglishunOne
Every word from Proto-Indo-European dʰewh₂-Every word from Proto-Celtic dūnomEvery word from English -ing