underflip (English) comes from English under, from Middle English under, from Old English under, from Proto-Germanic under, from Proto-Indo-European h₁entér, from Proto-Indo-European h₁en — in; in, inside.
underflip (English): A flip trick, the flipping of a skateboard by flicking the underside of the board, while riding on the board
Definitions
A flip trick, the flipping of a skateboard by flicking the underside of the board, while riding on the board
Ancestry of “underflip”, step by step
underflip traces back through two separate lines of ancestry.