Where does “majorally” come from?

majorally (English) comes from English ally, from Middle English allie, from Middle English allien, from Old French alier, from Latin alligō, from Latin ad-, from Latin īn-, from Latin în — in.

Ancestry of “majorally”, step by step

majorally traces back through two separate lines of ancestry.

via English ally

StepLanguageWordMeaning
1EnglishallyTo unite, or form a connection between, as...
2Middle EnglishallieThe state of having marital or family relations...
3Middle EnglishallienTo ally; to make a pact or confederacy; To marry...
4Old Frenchalierto unite; to join together
5Latinalligōto bind to, up or around something, tie, fetter, fasten; bandage
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 Major

StepLanguageWordMeaning
1EnglishMajorTitle for an army officer with the rank of major
2Middle Englishmajor
3Latinmāiorancestors, forefathers; advanced in years, the aged; the elders
4Latinmagnuslarge, big; great; important
5Proto-Indo-Europeanmeǵh₂-big, great; great; big, stour, great
Every word from Proto-Indo-European h₁énEvery word from Latin īn-Every word from Latin ad-