fem dat sg of eta (pron); fem gen sg of eta (pron)
Analysis. eta + -issā, the feminine dative/genitive singular ending; etissā combines the demonstrative stem eta- with the pronominal case ending -issā.
Etymology. eta is the feminine form of the demonstrative pronoun eta (this), built from the Indo-European root *e- (he, she, it), cognate with English he, German er, and Latin is. The ending -issā is the feminine singular dative/genitive marker in Pali, paralleling Sanskrit -asyāḥ and the Indo-European ending *-asyāi (dative) and *-asya (genitive).
Meanings from the Digital Pāḷi Dictionary; morphology and etymology by Claude.
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