And after the root kṛ comes the affix śa in forming a feminine as well as the affix kyap,
By the force of the word च we draw the affix क्यप् into this sutra, and by the process called योगविभाग we can split up this aphorism into two :-
(1) कृञः 'after the root कृ there is the affix क्तिन्'
(2) श च 'and the affix श as well as क्यप्'. Thus क्रिया, कृत्वा 6.1.71 and कृतिः । When the affix श is added, the root assumes the form क्रिय by 3.1.67.,