1964, noun and verb, from skate (v.) on model of surfboard. The phenomenon began c. 1963 in southern California and was nationwide the following summer.
Skateboarding requires only a tapered piece of wood flexibly mounted on roller-skate wheels and a stretch of pavement — preferably downhill and away from traffic. [Life magazine, June 5, 1964]
skald
skank
skanky
skat
skate
skateboard
skater
sked
skedaddle
Skee-Ball
skeet