Where does “supplementarily” come from?

supplementarily (English) comes from English supplementary, from English supplement, from Latin supplementum, from Latin suppleo, from Latin sub-, from Proto-Indo-European upó, from Proto-Indo-European h₃ewp-.

supplementarily (English): In a supplementary way; additionally

Definitions

  1. In a supplementary way; additionally

Ancestry of “supplementarily”, step by step

supplementarily traces back through two separate lines of ancestry.

via English supplementary

StepLanguageWordMeaning
1EnglishsupplementaryAdditional; added to supply what is wanted;...
2EnglishsupplementSomething added, especially to make up for a...
3Latinsupplementumsomething that fills up or makes up the numbers;...
4LatinsuppleoI make up the numbers, fill up, complete, make...
5Latinsub-under, sub
6Proto-Indo-Europeanupóunder, below
7Proto-Indo-Europeanh₃ewp-

via English ly

StepLanguageWordMeaning
1EnglishlyAbbreviation of light-year
2VietnameselyAlternative spelling of li
Every word from Proto-Indo-European h₃ewp-