The Compendium of Bheḷa 4.4.6

4.4.6

tatra bhrājako nāma yohyasya[yasya] śarīraṃ lakṣaṇaṃ copagamayati, prādhānyaṃ pradarśayati, śiraḥpāṇipādapārśvapṛṣṭhodarajaṅghāsyanakhanayanakeśānāṃ ca pratibhāvṛddhiviśeṣānutpādayati, bhrājayatīti bhrājakaḥ ||

Among them, that called bhrājaka is indeed that which procures one's bodily appearance and marks, displays preeminence, and produces the distinctive excellence of luster and growth of the head, hands, feet, flanks, back, belly, shanks, mouth, nails, eyes, and hair; it is bhrājaka because it illuminates.