Where does “underfulfill” come from?

underfulfill (English) comes from English fulfill, from Middle English fulfillen, from Old English fullfyllan, from Old English fyllan, from Proto-West Germanic *fullijan, from Proto-Germanic fullijaną, from Proto-Germanic fullaz, from Proto-Indo-European pl̥h₁nós — to fill.

underfulfill (English): To fail to fulfill (a quota etc.) by doing or providing too little

Definitions

  1. To fail to fulfill (a quota etc.) by doing or providing too little

Ancestry of “underfulfill”, step by step

underfulfill traces back through two separate lines of ancestry.

via English fulfill

StepLanguageWordMeaning
1EnglishfulfillTo satisfy, carry out, bring to completion; To...
2Middle Englishfulfillento fulfill
3Old Englishfullfyllanto fulfill, accomplish
4Old Englishfyllanto fill; Alternative form of fiellan
5Proto-West Germanic*fullijanto fill
6Proto-Germanicfullijanąto fill, to make full
7Proto-Germanicfullazfull; the whole, the entire
8Proto-Indo-Europeanpl̥h₁nósfull
9Proto-Indo-Europeanpleh₁-to fill

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 pleh₁-