Yoga Sūtra Chapter Four verse 19

न तत्स्वाभासं दृश्यत्वात् ॥१९॥

na tat-svābhāsaṃ dṛśyatvāt ||19||

That, not own luminosity,
due to the quality of the seen.

na - nottat - thatsva - ownbhāsa - luminositydṛśyatva - due to the quality of the seen