The story
- Old English · inherited fromā-
- Middle English · inherited fromasterten
- English todayastart
From Middle English asterten, asteorten, from a- (from Old English ā-) + sterten, equivalent to a- + start.
Words from the same roots
Old Englishā- all →
aaroundaghasta-
Etymology from Wiktionary, CC BY-SA 4.0.