Etymology

geochronometry

G2E1O1C3H4R1O1N1O1M3E1T1R1Y4

Today it means: the science of the measurement of the age of rocks etc. based on the radioactive decay of naturally occurring isotopes Full definition →

English chrono- ← Ancient Greek χρόνος (khrónos) ← Proto-Hellenic *gaya
Ask AI about its historyChatGPTClaudePerplexityGoogle AIGrok

The story

  1. Proto-Hellenic*gaya
  2. Ancient Greekγαῖᾰ (gaîă)clip.
  3. Ancient Greekγῆ (gê)
  4. Ancient Greekγεω- (geō-)
  5. Englishgeo-
  6. Ancient Greekχρόνος (khrónos)
  7. Englishchrono-
  8. English todaygeochronometry

From geo- + chrono- + -metry.

Etymology from Wiktionary, CC BY-SA 4.0.