noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   A group of fifty men in the Ancient Greek army.

Etymology

Learned borrowing from Ancient Greek πεντηκοστύς (pentēkostús), from πεντηκοστός (pentēkostós, “fiftieth”).

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.