Where does “lowmost” come from?

lowmost (English) comes from English low, from English allow, from Middle English allowen, from Old French alouer, from Latin allocō, from Latin ad-, from Latin īn-, from Latin în — in.

Ancestry of “lowmost”, step by step

lowmost traces back through two separate lines of ancestry.

via English low

StepLanguageWordMeaning
1EnglishlowSituated close to, or even below, the ground or...
2EnglishallowTo grant, give, admit, accord, afford, or yield;...
3Middle Englishallowen
4Old FrenchalouerAlternative form of aloer
5Latinallocōto hire
6Latinad-to; usually prefixed to verbs, in which cases it...
7Latinīn-un-, non-, not
8Latinînin, at, on, upon, from (space)
9Latinenlookǃ beholdǃ; reallyǃ?; come onǃ
10Proto-Italicenin
11Proto-Indo-Europeanh₁énin

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 h₁énEvery word from Latin īn-Every word from Latin ad-