The story
- Latin · derived frombilix
- Old English · inherited fromtwilīċ“two-threaded”
- Middle English · inherited fromtwyll
- English todaytwill
PIE word *dwóh₁ From Middle English twyll, twylle, from Old English twilīċ (“two-threaded”), a partial calque of Latin bilix, bilic-, from bis (“twice”) + licium (“thread”).
Etymology from Wiktionary, CC BY-SA 4.0.