pati + ā + kus + a
rebukes in return
Paccakkosati [paṭi + ā + kruś] to curse in return S I 162; A II 215.
(pati + ā + kus + a), 罵回。【過】 ~kosi。
(pr, pr) returns the verbal abuse; insults back rebukes in return Construction: pati > paty > pacc + ā + kosa + ti