[1830–40; acicul(a) + -ate1]This word is first recorded in the period 1830–40. Other words that entered Englishat around the same time include: isomerism, orientation, paraffin, showcase, walkover-ate is a suffix occurring in loanwords from Latin, its English distribution parallelingthat of Latin. The form originated as a suffix added to a- stem verbs to form adjectives (separate). The resulting form could also be used independently as a noun (advocate) and came to be used as a stem on which a verb could be formed (separate; advocate; agitate). In English the use as a verbal suffix has been extended to stems of non-Latin origin(calibrate; acierate)