Where does “major junior” come from?

major junior (English) comes from English Major, from Middle English major, from Latin māior, from Latin magnus, from Proto-Indo-European meǵh₂- — big, great; great; big, stour, great.

major junior (English): pertaining to the top-level competition leagues...

Definitions

  1. pertaining to the top-level competition leagues...

Ancestry of “major junior”, step by step

major junior traces back through two separate lines of ancestry.

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

via English Junior

StepLanguageWordMeaning
1EnglishJuniorLow in rank; having a subordinate role, job, or situation
2Latinjŭnior
Every word from Proto-Indo-European meǵh₂-Every word from Latin magnusEvery word from Latin māior