History and Etymology
borrowed from French, going back to Old French
acochement, from
acocher, acouchier "to go to bed, take to bed in order to give birth, give birth" (from
a-, prefix forming transitive verbs—going back to Latin
ad- ad-— +
culcer, couchier "to lay out, put to bed") +
-ment -ment — more at
couch entry 1