The story
- Medieval Latin · derived fromavencia“a kind of clover”
- Old French · derived fromavence
- Anglo-Norman · derived fromavance
- Middle English · inherited fromavence
- English todayavens
From Middle English avence, from Anglo-Norman avance, Old French avence, from Medieval Latin avencia (“a kind of clover”).
Etymology from Wiktionary, CC BY-SA 4.0.