The story
- Old English · inherited from*ætslūpan“to slip away”
- Middle English · inherited fromatslupen
- English todayatslip
From Middle English atslupen, etslupen, ætslupen, from Old English *ætslūpan (“to slip away”), equivalent to at- + slip. See aslip, aslope.
Etymology from Wiktionary, CC BY-SA 4.0.