Where does “underpromotion” come from?

underpromotion (English) comes from English promotion, from Middle English promotion, from Old French promocion, from Latin prōmōtiō, from Latin promoveo, from Latin prō-, from Proto-Italic *pro-, from Proto-Indo-European pro- — passed , crossed.

underpromotion (English): Insufficient promotion; Promotion of a pawn to a...

Definitions

  1. Insufficient promotion; Promotion of a pawn to a...

Ancestry of “underpromotion”, step by step

underpromotion traces back through two separate lines of ancestry.

via English promotion

StepLanguageWordMeaning
1EnglishpromotionAn advancement in rank or position; Dissemination...
2Middle Englishpromotion
3Old Frenchpromocion
4Latinprōmōtiō
5LatinpromoveoI move forward, cause to advance, push onward,...
6Latinprō-forward direction, forward movement
7Proto-Italic*pro-pro- see the Latin entry for further meanings
8Proto-Indo-Europeanpro-toward, forward
9Proto-Indo-Europeanpor-to give birth; forward, through; going, passage
10Proto-Indo-Europeanper-before, in front; first; to go through
11Proto-Indo-Europeanpr̥tóspassed , crossed

via English under

StepLanguageWordMeaning
1EnglishunderIn or at a lower level than; As a subject of;...
2Middle Englishunderunder
3Old Englishunderunder, beneath
4Proto-Germanicunderamong, between; under, beneath; under
5Proto-Indo-Europeanh₁entérbetween
6Proto-Indo-Europeanh₁enin; in, inside
Every word from Proto-Indo-European pr̥tós