Etymology

Tonian

T1O1N1I1A1N1

Today it means: Of a geologic period within the Neoproterozoic era from about 1000 to 850 million years ago. Full definition →

Ancient Greek τόνος
Ask AI about its historyChatGPTClaudePerplexityGoogle AIGrok

The story

  1. Ancient Greek · derived fromτόνος“stretch”
  2. English todayTonian

From Ancient Greek τόνος (tónos, “stretch”).

Words from the same roots

Ancient Greekτόνος all →

tonetunehypotoniahypertoniatono-tonophant

Etymology from Wiktionary, CC BY-SA 4.0.