Laghukoshasamgraha 8.410.p58

8.410.p58

3-nā-nā-484 ṭhaḥ śaṃkare vṛhaddhvāne vṛtte varṇe'pi vācyavat |

‘Ṭha’ means Śaṃkara, a loud sound, circular, and a syllable/color, as an adjective;