Borrowing from French. Perhaps incorrectly fabricated from Breton taol maen (“stone table”): taol (“table”) + maen (“stone”) (the correct compound would be *taolvaen, not *daolmaen). See also menhir.
dolmen (plural dolmens)
- a prehistoric megalithic tomb consisting of a capstone supported by two or more upright stones, most having originally been covered with earth or smaller stones to form a barrow.
dolmen m (plural dolmens)