Arduinna

In Celtic mythology, Arduinna was the eponymous goddess of the Ardennes Forest (primarily in Belgium and Luxembourg). Her cult thus originated in the Ardennes, and the forest name from her. She was later assimilated to the Roman Diana.
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[Celtic] The Gaulish (Celtic) goddess of the moon, hunting, and forests. She was very popular in the Ardennes, to which she gave her name. She is accompanied by a boar, her sacred animal. The Romans equated her with their Diana.