اصر

Etymology
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Noun

 * 1) duty, obligation, that which one is morally or legally obligated to do
 * 2) onus, responsibility, burden, anything for which someone is held accountable
 * 3) penalty invoked in an oath as the consequence of its nonfulfilment
 * 4)  ear canal, the meatus running from the outer ear to the eardrum
 * 1)  ear canal, the meatus running from the outer ear to the eardrum