Meaning

noun metal supports for logs in a fireplace

originFrom Middle English aundire, aundiren, from Old French andier (possibly from Gaulish anderon (“heifer”)) compare Welsh anner, annair (“heifer”), Breton annoar (“heifer”), from Proto-Celtic *anderā (“young woman”), due either to their somewhat animal-like appearance of four legs or to the prominent figuring of bull and heifer design elements; compare its alternative names of fire-dog and dog-iron.…

Etymology from Wiktionary, CC BY-SA 3.0