Vaisesika Sūtra 9.2.02

अस्येदं कार्यकारणसम्बन्धश्चावयवाद् भवति ॥२॥

asyedam kārya-kāraṇa-sambandhaś ca āvayavāt bhavati ॥2॥

[अस्य (asya) - of this; इदम् (idam) - this; कार्यकारणसम्बन्धः (kārya-kāraṇa-sambandhaḥ) - relation of cause and effect; च (ca) - and; अवयवाद् (āvayavāt) - from component part; भवति (bhavati) - arises;]

Of this, the cause-effect relationship arises from the component part.