Laghukoshasamgraha 18.268

18.268

bhuvo'ntaraṃ gūḍhamārgaḥ suruṅgā sandhilāpi sā |
catuṣpathaṃ catuṣkaṃ ca saṃsthānaṃ ca nigadyate ||

A secret passage inside the ground is *suruṅgā* and *sandhilā*. / A crossroads of four ways is called *catuṣpatha*, *catuṣka*, and *saṃsthāna*;