Etymology

cryosphere

C3R1Y4O1S1P3H4E1R1E1

Today it means: All those areas of the Earth where the surface is frozen. Full definition →

English sphere ← Middle English spere ← Old French sphere
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The story

  1. Ancient Greekκρῠ́ος (krŭ́os)
  2. Englishcryo-
  3. Ancient Greekσφαῖρᾰ (sphaîră)
  4. Latinsphaera
  5. Late Latinsphēra
  6. Old Frenchsphere
  7. Middle Englishspere
  8. Englishsphere
  9. English todaycryosphere

From cryo- + -sphere.

Etymology from Wiktionary, CC BY-SA 4.0.