locative singular of sāvatthī (feminine noun, a place-name: the city of Sāvatthī)
Analysis. sāvatthī is a proper noun (city name, one of the Buddha's principal dwelling-places in the canon); the locative ending -aṁ marks location or the setting for discourse. Sāvatthī (modern Saveth, in Uttar Pradesh) was the seat of the wealthy patron Anāthapiṇḍika and appears in hundreds of canonical suttas as the opening location.
Meanings from the Digital Pāḷi Dictionary; morphology and etymology by Claude.
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