"1 more than sixteen; the number which is one more than sixteen; a symbol representing this number;" late Old English seofontyne; see seven + -teen. Replacing Old English form seofon-teoða. Compare German siebzehn, a contraction of Middle High German siben-zehen.
seven
Seven Champions
Seven Seas
Seven Sisters
sevenfold
seventeen
seventeenth
seventh
seventies
seventieth
seventy
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