Śatapatha Brāhmaṇa ("of a hundred paths") 4.6.5.1

4.6.5.1

eṣa vai grahaḥ | ya eṣa tapati yenemāḥ sarvāḥ prajā gṛhītāstasmādāhurgrahāngṛhṇīma iti caranti grahagṛhītāḥ santa iti

Now the graha, forsooth, is he that burns yonder, since by him all these creatures are held (swayed). Hence they say, 'We take (grab) the grahas,' 'They walk, seized by the grahas.'