Where does “mostness” come from?

mostness (English) comes from English most, from Middle English most, from Old English mǣst, from Proto-Germanic maistaz, from Proto-Germanic mikilaz, from Proto-Indo-European meǵa-.

mostness (English): Quality of being most

Definitions

  1. Quality of being most

Ancestry of “mostness”, step by step

mostness traces back through two separate lines of ancestry.

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-

via English Ness

StepLanguageWordMeaning
1EnglishNessAn Ulster princess and the mother of Conchobar mac Nessa and Findchoem in the Ulster Cycle of Irish mythology. Daughter of Eochaid Sálbuide. Also the mother of Cormac Cond Longas by incest with Conchobar mac Nessa
2Middle Englishnesse
3Old Englishnæsnot, not at all; not; first/third-person singular...
4Proto-Germanicnasjąfoothill; headland; cape
5Proto-Indo-Europeannéh₂snose
Every word from Proto-Indo-European meǵa-Every word from Proto-Germanic mikilazEvery word from Proto-Germanic maistaz