Where does “Pentecoste” come from?
Pentecoste (Middle English) comes from Old English pentecosten, from Ecclesiastical Latin pentecoste, from Koine Greek πεντηκοστή, from Ancient Greek πεντηκοστή, from Ancient Greek πεντηκοστός, from Ancient Greek πεντήκοντα, from Proto-Indo-European penkʷēḱomth₂, from Proto-Indo-European *pénkʷedḱomt.
Ancestry of “Pentecoste”, step by step