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Etymology

Sirius

/ˈsɪri.əs/

noun

Origin

Ancient Greek

Σείριος — glowing, scorching

Overview

Meaning Now

  • The brightest star in the night sky, located in the constellation Canis Major.
  • A star system, also known as the 'Dog Star'.

Literal older meaning

glowing or scorching

Language path

Proto-Indo-European → Ancient Greek → Latin → English

Earliest form

Σείριος (Seirios)

Earliest period

8th century BCE

Journey

In antiquity, the heliacal rising of Sirius coincided with the hottest time of the year in the Mediterranean, leading to the term 'dog days'. The Greeks believed the star's heat added to the sun's intensity during this period.

Evolution

  1. Ancient Greek

    Σείριος

    “glowing, scorching”

    Used as an adjective to describe the sun or the star.

  2. Latin

    Sirius

    “The Dog Star”

    Adopted into Latin as the proper name for the star.

  3. Modern English

    Sirius

    “The brightest star in the night sky”

    Maintained as the standard astronomical designation.

Connections

Word parts

Sirius

root

glowing

Related across languages

  • Sanskrit

    svár

    sun, brightness

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