accusative singular masculine of sattha (weapon; doctrine; teacher)
Analysis. No analysis needed; this is a simple word in accusative case.
Etymology. From √sādh (to accomplish, teach); cognate with Sanskrit sāstra (teaching, doctrine). The concrete sense 'weapon' and abstract sense 'doctrine' both derive from the root meaning 'to direct, guide, accomplish'—a weapon accomplishes destruction, teaching accomplishes wisdom.
Meanings from the Digital Pāḷi Dictionary; morphology and etymology by Claude.
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