A word formed with the kṛt affixes ac and ka preceded by the particle nañ has the acute accent (udātta) on the final when the meaning is 'not capable'.,
Thus अपचः꣡ = य पक्तुं न शक्नोति, so also अजयः꣡, अपठः꣡, अविक्षिपः꣡, अविलिखः꣡ 3.1.134 &c)). Why do we say when meaning 'not capable'? Observe अपचो दीक्षितः, अपचः परिव्राजकः ॥ A दीक्षित and a परिव्राजक do not cook their food, not because they are physically incapable of cooking, but because by the vows of their particular order they are prohibited from cooking.,