योगवासिष्ठः yogavāsiṣṭhaḥ - book-3, chapter-67, verse-53

रूपभावैकदेशत्वं नेत्रार्थाकृति पश्यति ।
गन्धभावैकदेशत्वं नासिकात्वेन पश्यति ॥ ५३ ॥

rūpabhāvaikadeśatvaṃ netrārthākṛti paśyati ,
gandhabhāvaikadeśatvaṃ nāsikātvena paśyati 53

53. It then comes to understand the meaning of the word touch (twak) as the medium of feeling, as also to know the tongue as the only organ of taste. It finds the property of colour to be the peculiar object of the eye—the organ of sight; and that of smell to be an object peculiar to the nose—the organ of the sense of smelling.