masc abl sg of eta (pron); nt abl sg of eta (pron)
Analysis. etasmā = eta (this) + instrumental/ablative ending -smā, marking the source or standard of comparison.
Etymology. eta is the demonstrative pronoun 'this', cognate with Sanskrit etad and related to the Indo-European root *e- (pointing gesture). The ablative-instrumental ending -smā descends from Indo-European *-sme(n), seen in Latin ablatives like -ō and in the comparative particle *-s-.
Meanings from the Digital Pāḷi Dictionary; morphology and etymology by Claude.
Lite mode — plain HTML for e-readers and old browsers. Full version