Where does “sidestream” come from?

sidestream (English) comes from English Side, from Middle English side, from Old English sīde, from Proto-West Germanic *sīdā, from Medieval Latin sida, from Late Latin seta, from Latin saeta, from Proto-Italic saitā — to satiate, satisfy.

sidestream (English): A stream of fluid taken from an intermediate...

Definitions

  1. A stream of fluid taken from an intermediate...

Ancestry of “sidestream”, step by step

sidestream traces back through two separate lines of ancestry.

via English Side

StepLanguageWordMeaning
1EnglishSideA bounding straight edge of a two-dimensional shape
2Middle Englishsidecustom
3Old Englishsīdeside, flank
4Proto-West Germanic*sīdāside
5Medieval Latinsida
6Late LatinsetaAlternative form of saeta; hair, bristle; bristle
7Latinsaetaa bristle, hair on an animal; silk
8Proto-Italicsaitā
9Proto-Indo-Europeanséh₂ito-
10Proto-Indo-Europeansh₂ey-to bind, fetter
11Proto-Indo-Europeanseh₂-to satiate, satisfy

via English stream

StepLanguageWordMeaning
1EnglishstreamA small river; a large creek; a body of moving...
2Middle EnglishstreemAlternative form of strem
3Middle EnglishstremA waterbody; a region of the world containing...
4Old Englishstrēamcurrent; stream
5Proto-West Germanicstraumstream
6Proto-Germanicstraumazstream, current, river
7Proto-Indo-Europeansrowmosriver
8Proto-Indo-Europeansrew-to flow, stream
9Proto-Indo-Europeanser-to flow; to guard; to bind, to tie together
Every word from Proto-Indo-European seh₂-