sandhi contraction: evaṃ + assa
Analysis. evaṃ (thus, so) + assa (optative of atthi, to be; would be). The contraction shows how evaṃ's final -ṃ assimilates into the following vowel of assa. Semantically: 'thus it would be' or 'thus to him', used in narrative to indicate conditional or reflective thought.
Etymology. evaṃ is an old demonstrative-adverbial stem (cognate with Sanskrit evam, Greek houtos via different ablaut; cf. English 'so' from Proto-Germanic *swa). assa is the optative of atthi (from PIE *h₂es- 'to be'; cognates: Sanskrit asti, Latin est, English 'is'). The optative mood marks potential or conditional action.
Meanings from the Digital Pāḷi Dictionary; morphology and etymology by Claude.
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