Where does “mostwhat” come from?

mostwhat (English) comes from English what, from Middle English what, from Old English hwæt, from Old English -ing, from Old English -tūn, from Old English tūn, from Proto-West Germanic tūn, from Proto-Germanic tūną — smoke; mist, haze.

mostwhat (English): mostly; for the most part

Definitions

  1. mostly; for the most part

Ancestry of “mostwhat”, step by step

mostwhat traces back through two separate lines of ancestry.

via English what

StepLanguageWordMeaning
1EnglishwhatWhich thing, event, circumstance, etc.: used...
2Middle Englishwhatwhat
3Old Englishhwætwhat; why; how many or how much
4Old English-ingForming nouns from verbs, indicating action,...
5Old English-tūnhomestead, village, town
6Old Englishtūnenclosure, yard; place; dwelling
7Proto-West Germanictūnfence
8Proto-Germanictūnąfence; enclosure
9Gaulishdunumfort; hill, hillfort
10Proto-Celticdūnomstronghold, rampart
11Proto-Indo-Europeandʰewh₂-smoke; mist, haze

via English most

StepLanguageWordMeaning
1Englishmostsuperlative degree of much; superlative degree of...
2Middle Englishmost
3Old Englishmǣstmost
4Proto-Germanicmaistazsuperlative degree of *mikilaz; most
5Proto-Germanicmikilazgreat, large; much, many
6Proto-Indo-Europeanmeǵa-
Every word from Proto-Indo-European dʰewh₂-Every word from Proto-Celtic dūnomEvery word from Gaulish dunum