1520s, cubbe "young fox," of unknown origin, not recorded in Middle English; perhaps from Old Irish cuib "whelp," or from Old Norse kobbi "seal." Extended to the young of bears, lions, etc., after 1590s. The native word was whelp. Cub Scout is from 1922.
bears cub every year
crystallize
crystallized
crystallography
crystallomancy
cteno-
cub
Cuba
cubby
cubbyhole
cube
cubic
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