The story
- Old French · derived froma-
- Old French · derived fromacoster“to stand beside”
- Middle French · borrowed fromaccoster
- English todayaccost
From Middle French accoster, acoster, from Old French acoster (“to stand beside”) (whence Medieval Latin accostare), from Old French a- + coste (“side, flank”).
Words from the same roots
Old Frencha- all →
achieveabastardizeac-
Etymology from Wiktionary, CC BY-SA 4.0.