c.1325, from
sheld- "variegated" +
drake "male duck." First element cognate with M.Du.
schillede, W.Flem.
schilde, from
schillen (Du.
verschillen "to make different"), from P.Gmc.
*skeli-, from PIE base
*(s)kel- "to cut." This is considered the most likely origin, though Eng.
sheld by itself is a dialect word attested only from 1508.