Where does “pentachloro” come from?

pentachloro (English) comes from English penta-, from Ancient Greek πεντα-, from Ancient Greek πέντε, from Proto-Hellenic pénkʷe, from Proto-Indo-European pénkʷe — five.

pentachloro (English): Five chlorine atoms in a compound

Definitions

  1. Five chlorine atoms in a compound

Ancestry of “pentachloro”, step by step

StepLanguageWordMeaning
1Englishpenta-API; five
2Ancient Greekπεντα-penta-, five; five
3Ancient Greekπέντεfive
4Proto-Hellenicpénkʷefive
5Proto-Indo-Europeanpénkʷefive
Every word from Proto-Indo-European pénkʷe →Every word from English penta- →Every word from Ancient Greek πεντα- →