masc voc sg of anuruddha (noun); masc voc sg of anuruddha (pp); nt voc sg of anuruddha (pp); nt voc sg of anuruddha (noun)
Analysis. anu- (along, after) + ruddha (past participle of rundati, to obstruct, block). The concrete sense 'not obstructed, unblocked' yields 'favoured, accepted, pleasing'; applied as a proper name to the monk renowned for his celestial vision.
Etymology. The root rundati (Sanskrit rundati, to obstruct) is related to Sanskrit rudh- and perhaps distantly to English 'rude' (originally harsh, obstructive). The prefix anu- (following, along) combined with the passive sense of ruddha ('not blocked, not opposed') gives 'unopposed, favoured'—one whom others follow willingly because they are not obstructed or hindered by him.
Meanings from the Digital Pāḷi Dictionary; morphology and etymology by Claude.
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