Etymology
From Middle English belde, beeld, beld, from Old English bieldu (“courage, boldness”), from Proto-Germanic *balþį̄ (“boldness”), from *balþaz (“bold”), from Proto-Indo-European *bʰel- (“to inflate, swell”). Cognate with Old High German baldī (“boldness, courage”) (Middle High German belde), Gothic 𐌱𐌰𐌻𐌸𐌴𐌹 (balþei, “boldness, courage”). More at bold.