- initial ly , ▁where ▁they ▁contrast ▁with ▁asp ir ated ▁plain ▁stops : ▁ ▁' s it ' ▁~ ▁ ▁' f ear '. ▁The ▁asp iration ▁is ▁not ▁ph on em ic ; ▁it ▁is ▁ph on et ically ▁real ised ▁on ▁the ▁whole ▁sy ll able , ▁and ▁results ▁from ▁an ▁underlying ▁ ▁that ▁follows ▁the ▁v owel , ▁thus ▁ ▁is ▁ph on em ically ▁. ▁ ▁The ▁historical ▁origin ▁of ▁the ▁S ara iki ▁impl os ives ▁has ▁been ▁on ▁the ▁whole ▁the ▁same ▁as ▁in ▁S ind hi . ▁Their ▁source ▁has ▁generally ▁been ▁the ▁older ▁language ' s ▁series ▁of ▁plain ▁vo iced ▁stops , ▁thus ▁S ansk rit ▁ ▁> ▁S ara iki ▁ ▁' be ▁born '. ▁New ▁plain ▁vo iced ▁stops ▁have ▁in ▁turn ▁ar isen ▁out ▁of ▁certain ▁con son ants ▁and ▁con son ant ▁clusters ▁( for ▁example , ▁ ▁> ▁ ▁' bar ley '), ▁or ▁have ▁been ▁introduced ▁in ▁loan words ▁from ▁S ansk rit , ▁H indi , ▁Pers ian ▁or ▁English ▁( ▁' th ro at ', ▁ ▁' bus '). ▁The ▁following ▁table ▁illustr ates ▁some ▁of ▁the ▁major ▁develop ments : ▁ ▁Within ▁South ▁Asia , ▁impl os ives ▁were ▁first ▁described ▁for ▁S ind hi ▁by ▁St ake ▁in ▁ 1 8 5 5 . ▁Later ▁authors ▁have ▁noted ▁their ▁existence ▁in ▁Mult ani ▁and ▁have ▁various ly ▁called ▁them ▁" rec urs ives " ▁or ▁" inject ives ", ▁while ▁G ri erson