Where does “Pentecostes,pentecoste,pentecosta” come from?

Pentecostes,pentecoste,pentecosta (Old Spanish) comes from Late Latin pentecoste, from Ancient Greek πεντηκοστή, from Ancient Greek πεντηκοστός, from Ancient Greek πεντήκοντα, from Proto-Indo-European penkʷēḱomth₂, from Proto-Indo-European *pénkʷedḱomt.

Ancestry of “Pentecostes,pentecoste,pentecosta”, step by step

StepLanguageWordMeaning
1Late Latinpentecoste
2Ancient GreekπεντηκοστήPentecost - From the feast called Shavuot, which...
3Ancient Greekπεντηκοστόςfiftieth
4Ancient Greekπεντήκονταfifty
5Proto-Indo-Europeanpenkʷēḱomth₂
6Proto-Indo-European*pénkʷedḱomt

Words derived from “Pentecostes,pentecoste,pentecosta

Every word from Proto-Indo-European *pénkʷedḱomtEvery word from Proto-Indo-European penkʷēḱomth₂Every word from Ancient Greek πεντήκοντα