Etymology Explorer › Latin

Where does “sinus” come from?

sinus (Latin) comes from Arabic جَيْب, from Sanskrit ज्या, from Sanskrit जीव, from Proto-Indo-Aryan ȷ́iHwás, from Proto-Indo-Iranian ǰiHwás, from Proto-Indo-European gʷih₃wós, from Proto-Indo-European gʷeih₃w- — to live.

sinus (Latin): a hollow, cavity; curve, fold, winding; gulf, bay

Definitions

  1. a hollow, cavity; curve, fold, winding; gulf, bay

Ancestry of “sinus”, step by step

StepLanguageWordMeaning
1Arabicجَيْبpocket; opening in a garment; pocket; bosom, fold...
2Sanskritज्याbow-string, tendon; sine
3Sanskritजीवalive, living; life, existence; any living being,...
4Proto-Indo-Aryanȷ́iHwás—
5Proto-Indo-IranianǰiHwásalive
6Proto-Indo-Europeangʷih₃wósalive, living
7Proto-Indo-Europeangʷeih₃w-to live

Words derived from “sinus”

  • sign
  • signing
  • sinus
  • sine
  • sinusoidal
  • insinuating
  • cosine
  • insinuate
  • sinuous
  • insinuation
  • signage
  • sinusitis
  • signer
  • signpost
  • signboard
  • rhinosinusitis
  • sinusoid
  • insinuatingly
  • sinusoidally
  • sinuously
  • cosigner
  • sinuate
  • cosign
  • signoff
Every word from Proto-Indo-European gʷeih₃w- →