equus etymology

Etymology:

The word "equus" comes from the Proto-Indo-European (PIE) root *h₁éḱwos, meaning "horse." This root has cognates in many Indo-European languages, including:

  • Latin: equus
  • Greek: ἵππος (hippos)
  • Sanskrit: अश्व (aśva)
  • Old Irish: ech
  • Old English: eoh

Meaning:

The word "equus" refers to the genus that includes horses, asses, and zebras. These animals are characterized by:

  • Quadrupedal mammals with hooves
  • Herbivores with a long, slender body
  • Manes and tails
  • A single stomach
  • Large, strong legs and shoulders

Origin:

The PIE root *h₁éḱwos is believed to have originated from a proto-language spoken in the Pontic-Caspian steppe around 4000 BC. This region was home to the early domestication of horses, which were used for transportation, warfare, and trade.

Over time, the PIE root spread to various Indo-European languages and evolved into the modern word "equus." The word was formally introduced into English in the 18th century as a genus name for horses.

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