Where does “residual” come from?

residual (Portuguese) comes from Italian residuo, from Latin residuum, from Latin residuus, from Latin resideō, from Latin sedeō, from Proto-Italic sedēō, from Proto-Indo-European sḗd- — to sit.

residual (Portuguese): residual

Definitions

  1. residual

Ancestry of “residual”, step by step

StepLanguageWordMeaning
1Italianresiduoremaining; residual; remainder
2Latinresiduumnominative neuter singular of residuus;...
3Latinresiduusremaining; residuary; persisting, surviving
4Latinresideōto reside, abide, tarry, linger
5Latinsedeōto sit, to be seated
6Proto-Italicsedēōsit, be sitting, be seated
7Proto-Indo-Europeansḗd-to sit
Every word from Proto-Indo-European sḗd-