Etymology

Valles Marineris

Today it means: a large system of canyons on the surface of Mars; contains channels possibly caused by the flow of water Full definition →

Latin vallēs
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The story

  1. Latin · derived fromvallēs“valleys”
  2. English todayValles Marineris

Pseudo-Latinism, derived from Latin vallēs (“valleys”) + mariner + Latin -is.

Words from the same roots

Latinvallēs all →

valleyvallecular

Etymology from Wiktionary, CC BY-SA 4.0.