Proterozoic etymology

English word Proterozoic comes from English -zoic, English protero- (First, earliest, early.)

Detailed word origin of Proterozoic

Dictionary entryLanguageDefinition
-zoic English (eng) Relating to some specified form of animal existence. Relating to some specified geologic period.
protero- English (eng) First, earliest, early.
Proterozoic English (eng) (geology) Of or relating to the geologic eon from 2,500 Ma to 541.0±1.0 Ma. (geology) The eon from 2,500 Ma to 541.0±1.0 Ma, the beginning of the Phanerozoic, marked by the build up of oxygen in the atmosphere and the emergence of primitive multicellular life.

Words with the same origin as Proterozoic

Descendants of -zoic
Anthropozoic Archaeozoic Archeozoic Cenozoic Cryptozoic Mesozoic Paleozoic azoic ectozoic epizoic holozoic hypozoic saprozoic
Descendants of protero-
proterodynamic proteroglyph proterogynous proterokinetic