locative singular masculine of sabbesānampissa, or more accurately, locative singular of a possessive pronoun formed from sabba (all) + nesam (of them) + pissa (for/to him); alternatively analyzed as a compound locative form meaning "among all of them" or "in the midst of all"
Analysis. sabba- (all) + nesaṁ (of them, genitive plural of ta-) + pissa (dative/locative postposition, "to/for/in regard to him/it"). The form is a sandhi contraction: sabbesānaṁ + pissa > sabbesānampissa, with final -ṁ before p becoming -n and lengthening the preceding vowel.
Meanings from the Digital Pāḷi Dictionary; morphology and etymology by Claude.
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