Etymograph

English

sidereous

Sidereous comes from Latin sidereus ‘of or belonging to the stars’, and goes back to sīdus ‘a star”, “a constellation’.

  1. Latinc. 75 BCE–200 CEsīdus‘a star”, “a constellation’
  2. Latin, derivedc. 75 BCE–200 CEsidereus‘of or belonging to the stars’
  3. Englishtodaysidereous

attested reconstructed ? uncertain or disputed deepest recorded ancestor

Earlier history uncertain.

Lineage

  1. Latinc. 75 BCE–200 CEsīdus‘a star”, “a constellation’
  2. Latin, derivedc. 75 BCE–200 CEsidereus‘of or belonging to the stars’
  3. Englishtodaysidereous

Today it means

adj sidereal (relating to stars)

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

Etymograph / Latin sīdus / sidereous