Vaisesika Sūtra 3.1.14

प्रसिद्धिपूर्वकत्वादपदेशस्य ॥१४॥

prasiddhipūrvakatvād apadeśasya ॥14॥

[प्रसिद्धि-पूर्वकत्वात् (prasiddhi-pūrvakatvāt) - because of being preceded by recognition or common usage; अपदेशस्य (apadeśasya) - of verbal designation.]

Because verbal designation is preceded by common recognition.