Word Origin & History
Caligulacognomen of the third Roman emperor (12 C.E.-41 C.E.), born Gaius Caesar. The nickname is lit. "little boot," given when he joined his father on military campaigns when still a toddler, in full, child-sized military gear; dim. of caliga "heavy military shoe," which some related to calx "heel, tread,"
EXPANDand others to a root meaning "to wrap, bind."
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