Where does “controlaterally” come from?

controlaterally (English) comes from English controlateral, from English lateral, from Latin laterālis, from Latin lātus, from Latin cauda, from Proto-Italic kaudā, from Proto-Indo-European keh₂udeh₂.

Ancestry of “controlaterally”, step by step

controlaterally traces back through two separate lines of ancestry.

via English controlateral

StepLanguageWordMeaning
1EnglishcontrolateralOn the other side
2EnglishlateralTo the side; of or pertaining to the side;...
3LatinlaterālisOf or belonging to the side; lateral
4Latinlātuswide, broad
5LatincaudaA tail
6Proto-Italickaudātail
7Proto-Indo-Europeankeh₂udeh₂

via English ly

StepLanguageWordMeaning
1EnglishlyAbbreviation of light-year
2VietnameselyAlternative spelling of li
Every word from Proto-Indo-European keh₂udeh₂Every word from Proto-Italic kaudāEvery word from Latin cauda