Etymograph

English

sinus

Sinus comes from Latin sinus ‘a bent surface, curve, hollow’.

  1. Latinc. 75 BCE–200 CEsinus‘a bent surface, curve, hollow’
  2. Englishearliest quotation 1884same form

attested reconstructed ? uncertain or disputed

Lineage

  1. Latinc. 75 BCE–200 CEsinus‘a bent surface, curve, hollow’
  2. Englishearliest quotation 1884same form

Earliest quotation: 1884, Aerial Navigation: “So, in the helicopteron, as the helix is at…”

Linked words

through Latin sinus ‘a bent surface, curve, hollow’

sine, insinuation, insinuate, sinuous, 3 more

Today it means

noun A pouch or cavity in a bone or other tissue, especially one in the bones of the face or skull connecting with the nasal cavities (the paranasal sinus).

Language periods are conventional ranges, not dates for this word.

Etymograph / Latin sinus / sinus

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