Where does “Pentecoste” come from?
Pentecoste (Latin) comes 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