A kind of Mahānidhi (an encyclopaedian treatise);
the treatise which deals exhaustively with the topic of the construction of city, village etc. (townplanning).
ṇesappaṇmi ṇivesā, gāmāgara-ṇagara-paṭṭaṇāṇaṃ ca.
doṇamnhamaḍaṃbāṇaṃ, khaṃdhārāṇaṃ gihāṇaṃ ca...
(Sthā 9.22.2)