stimulator(n.)
"one who or that which stimulates," 1610s, from Latin stimulator "a pricker-on, instigator," agent noun from stimulare "to prick, goad, urge," from stimulus "spur, goad" (see stimulus). Fem. form stimulatress is by 1846, earlier in Latin fem. stimulatrix (used interchangeably with instigatrix; the Latin word is in Plautus).
该词起源时间:1610年代