Past tense of 'cab,' meaning to travel by taxi or to work as a taxi driver.
From cab (short for cabriolet, a light horse-drawn carriage) plus the regular past tense ending '-ed,' showing how this noun evolved into a verb meaning 'to ride in or operate a cab.'
The word 'cab' originally meant a fancy two-wheeled carriage in 1800s London, but when motorized taxis appeared, the name just transferred over—so your great-great-grandfather 'cabbed' to the theater in a horse-drawn carriage, and you 'cab' to the airport in a Prius.
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