Where does “pentecontarch” come from?

pentecontarch (English) comes from Latin pentēcontarchus, from Ancient Greek πεντηκόνταρχος, from Ancient Greek πεντήκοντα, from Proto-Indo-European penkʷēḱomth₂, from Proto-Indo-European *pénkʷedḱomt.

pentecontarch (English): The commander of a platoon of fifty men

Definitions

  1. The commander of a platoon of fifty men

Ancestry of “pentecontarch”, step by step

StepLanguageWordMeaning
1Latinpentēcontarchuspentecontarch
2Ancient Greekπεντηκόνταρχοςpentecontarch
3Ancient Greekπεντήκονταfifty
4Proto-Indo-Europeanpenkʷēḱomth₂—
5Proto-Indo-European*pénkʷedḱomt—
Every word from Proto-Indo-European *pénkʷedḱomt →Every word from Proto-Indo-European penkʷēḱomth₂ →Every word from Ancient Greek πεντήκοντα →