Etymology

pentasiloxane

P3E1N1T1A1S1I1L1O1X8A1N1E1

Today it means: Any siloxane having five -Si-O- groups Full definition →

English siloxane ← Ancient Greek πεντᾰ- (pentă-) ← Proto-Hellenic *pénkʷe
Ask AI about its historyChatGPTClaudePerplexityGoogle AIGrok

The story

  1. Proto-Indo-European*pénkʷe
  2. Proto-Hellenic*pénkʷe
  3. Ancient Greekπέντε (pénte)
  4. Ancient Greekπεντᾰ- (pentă-)
  5. Englishpenta-
  6. Englishsiloxane
  7. English todaypentasiloxane

From penta- + siloxane.

Etymology from Wiktionary, CC BY-SA 4.0.