Etymology

xenno-

Today it means: Synonym of ronto- (used before an official prefix existed). Symbol: x Full definition →

Ancient Greek ἐννέα
Ask AI about its historyChatGPTClaudePerplexityGoogle AIGrok

The story

  1. Ancient Greek · derived fromἐννέα“nine”
  2. English todayxenno-

From Ancient Greek ἐννέα (ennéa, “nine”), for the ninth order of 10³; with the letter x added for the third term in a series running backwards through the alphabet (after zepto- and yocto-). The final o conforms to the final vowels of the SI series from micro- downwards.

Words from the same roots

Ancient Greekἐννέα all →

enn-ennea-enneaticalxenna-

Etymology from Wiktionary, CC BY-SA 4.0.