Word origin
 [1865–70, 
Amer.; ‹ Sp: slope, swoop, orig. fem. ptp. of 
bajar to descend ‹ VL *
bassiāre, deriv. of LL 
bassus short, low
]This word is first recorded in the period 1865–70. Other words that entered Englishat around the same time include: batting average, black belt, maverick, racism, steamroller