Mīmāmsa Sūtra 01.01.11

वृद्धिश्च कर्तृभूम्नाऽस्य ॥१-१-११॥

vṛddhiś ca kartṛbhūmnā'sya ॥1-1-11॥

[वृद्धिः (vṛddhiḥ) - increase; च (ca) - and; कर्तृभूम्ना (kartṛbhūmnā) - by the capacity of the agent; अस्य (asya) - of this;]

(Also, because) the increase here is by the capacity of the agent.