Meaning of tacho by furoya

In lunfardo, " 34 tacho; It is a taxi and its driver a " 34 tachero;. The ancient mateos roamed the streets of Buenos Aires bringing passengers wore a large, circular clock resembling a pan ( commonly called " tacho " ) to take the time and calculate the value of their services; then the taximeters used the same system and by metonymy is appointed them " 34 cans; taking advantage of the similar pronunciation ( taxi 8594; Tachi 8594; tacho ). Also called thus at any clock, especially the very large bracelet; and more rarely to the heart, by Association of the Tic-Tac-Toe with the beats. Another possible etymology for taxis is arising in the English word " 34 tachometer; ( 41 tachometer; It is a distance counter, more akin to the modern taxi watches that combine the calculation of the time with the turns of the motor.