Where does “sidechannel” come from?

sidechannel (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.

sidechannel (English): An indirect source of information about what a...

Definitions

  1. An indirect source of information about what a...

Ancestry of “sidechannel”, step by step

sidechannel 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 Channel

StepLanguageWordMeaning
1EnglishChannelThe hollow bed of running waters; also the bed of the sea or other body of water
2EnglishchainwaleObsolete spelling of channel
3EnglishwaleA ridge or low barrier; A raised rib in knit...
4Middle EnglishwāleAn outsider; a guest; one from an unfamiliar land
5Old Englishwealhforeigner; Briton or Welshman; slave
6Old Englishīeġisland
7Proto-West Germanicauwjufloodplain; meadow; island
8Proto-Germanicawjōfloodplain; meadow; island
9Proto-Germanicagwjō
10Proto-Indo-Europeanh₂ékʷeh₂water
Every word from Proto-Indo-European seh₂-