Etymology

octillion

oct·il·li·on
O1C3T1I1L1L1I1O1N1

Today it means: A thousand trillion trillion, a billion billion billion: 1 followed by 27 zeros, 10²⁷. Full definition →

French octillion
Ask AI about its historyChatGPTClaudePerplexityGoogle AIGrok

The story

  1. French · borrowed fromoctillion
  2. English todayoctillion

From French octillion. By surface analysis, oct- (“eight”) + -illion.

Etymology from Wiktionary, CC BY-SA 4.0.