出典:Wiktionary
eo- + -cene. From Ancient Greek ἠώς (ēṓs, “dawn”) + καινός (kainós, “new”) and refers to the "dawn" of modern ('new') fauna that appeared during the epoch. Coined by English polymath William Whewell in 1831 for Charles Lyell, who introduced it in 1833 in his book Principles of Geology.[1]
Eocene (comparative more Eocene, superlative most Eocene)
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