lex ive ▁by ▁the ▁" ki - " ▁prefix ; ▁redu p lication ▁of ▁this ▁prefix ▁(" k iki - ") ▁express es ▁reci pro city . ▁ ▁Thus : ▁ ▁U h ák ig isa ▁( I ▁helped ▁myself ) ▁Uk ik isa ▁ke ▁( They ▁helped ▁each ▁other ) ▁ ▁A ▁number ▁of ▁ver bs ▁that ▁are ▁non - ref lex ive ▁in ▁English ▁take ▁the ▁ref lex ive ▁prefix ▁in ▁Ch iw ere . ▁ ▁D irection al ▁prefix es ▁ ▁These ▁three ▁prefix es ▁serve ▁to ▁indicate ▁an ▁indirect ▁object ▁and ▁as ▁such ▁are ▁grouped ▁together , ▁even ▁though ▁they ▁do ▁not ▁occup y ▁the ▁same ▁position ▁within ▁the ▁ver bal ▁complex : ▁wa - <0x09> ind ic ates ▁that ▁the ▁action ▁moves ▁away ▁from ▁a ▁third ▁point ▁not ▁occupied ▁by ▁the ▁speaker ▁gi - <0x09> ind ic ates ▁that ▁the ▁action ▁moves ▁towards ▁a ▁third ▁point ▁and ▁communic ates ▁the ▁English ▁pre pos itions ▁of ▁to , ▁for ▁or ▁concerning ▁gla - <0x09> ind ic ates ▁that ▁the ▁action ▁rever ts ▁towards ▁the ▁subject ▁and ▁is ▁used ▁to ▁form ▁possess ive ▁constru ctions ▁ ▁Inst rument al ▁prefix es ▁ ▁There ▁are ▁nine ▁separate ▁prefix es ▁that ▁indicate ▁instrument ality , ▁all ▁of ▁which ▁change ▁pass ive ▁ver bs ▁into ▁active . ▁wa - <0x09> by ▁pushing ▁with ▁the ▁hand ▁gi - <0x09> by ▁pushing ▁or ▁striking ▁with ▁a ▁held ▁object ▁ru - <0x09> by ▁pulling ▁with ▁the ▁hand ▁ri - <0x09> by ▁means ▁of ▁an ▁inter medi