Where does “pentēcostē” come from?
pentēcostē (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 “pentēcostē”, step by step