masc abl sg of ta (pron); nt abl sg of ta (pron); masc abl sg of ta (letter)
Analysis. tas + mā, where mā is an enclitic ablative marker (compare instrumental -ena, locative -smiṁ); the ablative ending -smā derives from the old instrumental-ablative *-s̀mād in Indo-European.
Etymology. ta is the demonstrative root (Sanskrit tá-, Latin is-te, English that); -smā is the ablative suffix descended from Proto-Indo-European *-s̀mód (whence Latin -s̀mē in Old Latin forms); the particle tasmā combines the pronoun with this locative-ablative sense to mean 'from that (cause)'—hence 'therefore'. Cognates: English that, German das; Latin istud (that); Sanskrit tás (nominative singular masculine of ta-).
Meanings from the Digital Pāḷi Dictionary; morphology and etymology by Claude.
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