The story
- Old English · inherited fromhwīt sunnandæg
- Middle English · inherited fromWhitsonday
- English todayWhitsunday
Inherited from Middle English Whitsonday, from whit (“white”) + Sonday (“Sunday”), from Old English hwīt sunnandæg, probably from the white clothes worn by newly baptized Christians as Pentecost was a traditional date of baptism in early medieval England. Doublet of White Sunday.
Etymology from Wiktionary, CC BY-SA 4.0.