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seventy
[seventy 词源字典]
Old English
(hund)seofontig
, from
seofon
(see
seven
) +
-tig
(see
-ty
(1)). Similar formation in Old Frisian
soventich
, Middle Dutch
seventich
, Old Norse
sjau tiger
.
[seventy etymology, seventy origin, 英语词源]
