Vaisesika Sūtra 8.2.03

अर्थ इति द्रव्यगुणकर्मसु ॥३॥

artha iti dravya-guṇa-karmasu ॥3॥

[अर्थः (arthaḥ) - object / that which is sought; इति (iti) - thus; द्रव्य-गुण-कर्मसु (dravya-guṇa-karmasu) - in substances, qualities, and actions;]

Thus the “Object”, i.e. that which is sought, is because of substances, qualities, and actions.