Etymology

lactone

L1A1C3T1O1N1E1

Today it means: A cyclic intramolecular ester derived from a hydroxy acid. Full definition →

English ketone ← German Keton ← Latin lac
Ask AI about its historyChatGPTClaudePerplexityGoogle AIGrok

The story

  1. Latinlac
  2. Englishlacto-
  3. GermanKeton
  4. Englishketone
  5. English todaylactone

From lacto- + -one.

Etymology from Wiktionary, CC BY-SA 4.0.