Eocene=الإيوسين

Eocene=الإيوسين

ONLINE ETYMOLOGY DICTIONARY

Eocene (adj.)

in reference to the second epoch of the Tertiary Period, coined in English 1831, from eo- + Gk. kainos "new" (see recent); along with Miocene and Pliocene, by the Rev. William Whewell (1794-1866), English polymath.

eo-

word-forming element used from mid-19c. (first in Eocene) in compound words formed by earth-scientists and meaning "characterized by the earliest appearance of," from Gk. eos "dawn," from PIE *aus-, cognate with Modern English east (q.v.). Piltdown Man, before exposed as a fraud, was known as Eoanthropus.