The name of this odd movement, French for "hobby-horse", was appropriately chosen at random from a dictionary
to 
abhor, ...... S'  , (de), to put on (an odd dress) ; to muffle oneself up ; to cover 
oneself;... [DOC] [TLE] Full text of "1811 Dictionary of the Vulgar Tongue" - Internet Archive [PAR] The merit of Captain Grose's Dictionary of the Vulgar Tongue has been long and 
..... they bestride it like a French poney, or post-horse, called in French bidets.