Where does “fillup” come from?

fillup (English) comes from English Fill, from Middle English fillen, from Old English fyllan, from Proto-West Germanic *fullijan, from Proto-Germanic fullijaną, from Proto-Germanic fullaz, from Proto-Indo-European pl̥h₁nós, from Proto-Indo-European pleh₁- — to fill.

fillup (English): An act or process of filling up; a replenishment

Definitions

  1. An act or process of filling up; a replenishment

Ancestry of “fillup”, step by step

fillup traces back through two separate lines of ancestry.

via English Fill

StepLanguageWordMeaning
1EnglishFillTo make full
2Middle Englishfillento fill
3Old Englishfyllanto fill; Alternative form of fiellan
4Proto-West Germanic*fullijanto fill
5Proto-Germanicfullijanąto fill, to make full
6Proto-Germanicfullazfull; the whole, the entire
7Proto-Indo-Europeanpl̥h₁nósfull
8Proto-Indo-Europeanpleh₁-to fill

via English up

StepLanguageWordMeaning
1EnglishupAway from the surface of the Earth or other...
2Middle Englishupto a vertical axis
3Old Englishuppup; upstairs
4Proto-West Germanic*upp
Every word from Proto-Indo-European pleh₁-Every word from Proto-Indo-European pl̥h₁nósEvery word from Proto-Germanic fullaz