accusative singular neuter
Analysis. No analysis needed; simple word.
Etymology. Related to Sanskrit तीर (tīra) "shore, bank". The concrete sense is the dry edge where water meets land, hence metaphorically the safe refuge or escape from danger (as in crossing a river to reach the far shore). Cognate with English "tire" in the sense of a rim or edge (though that etymology is uncertain); the spatial imagery of "edge" or "boundary" is primary.
Meanings from the Digital Pāḷi Dictionary; morphology and etymology by Claude.
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