masc nom sg of asamāhita (pp)
Analysis. a- (not) + saṁ (together) + ā (toward) + √dhā (place), literally 'not placed together'; the opposite of samādhi, meditatively composed collectedness.
Etymology. The root √dhā ('place', 'put') is cognate with Sanskrit dhā and Greek tithenai (to place, from which English 'do' and 'deed' derive distantly). The prefix saṁ (from saṃ-, 'together, with') is cognate with English 'same', Greek homo-, and Latin similis; it conveys the bringing of elements into one unified whole. The prefix ā ('toward, to, up to') reverses directional motion verbs. The negation a- ('not, without') is cognate with English un- and Greek a(n)-. Together they express the antithesis of samādhi: the scattering or failure to gather the mind.
Meanings from the Digital Pāḷi Dictionary; morphology and etymology by Claude.
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