Meaning

adjective having an oblique or slanted direction

originFrom Middle English aslop, aslope (“at an angle or slant; aside”); further etymology uncertain, probably either: * from Old English āslopen (“slipped away”), the past participle of āslūpan (“to slip away”), from ā- (prefix meaning ‘away; from; off; out’) + slūpan (“to glide, slip”) (from Proto-West Germanic *sleupan (“to move stealthily, creep, sneak”), from Proto-Germanic *sleupaną (“to move…

Etymology from Wiktionary, CC BY-SA 3.0