A tat-puruṣa compound ending with the word sabhā 'court', when it does not mean a house but means concourse, is neuter.,
As, स्त्रीसभम्, दासीसभम् 'the concourse of ladies and slaves;' otherwise अनाथसभा 'the poor-house.',
अशाला च
Adhyāya 2 · Pāda 4 · Rule 24