اتفاقا

Etymology
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Adverb

 * 1) by mutual agreement

Etymology
.

Adverb

 * 1) accidentally, by chance
 * 2) occasionally
 * 1) occasionally

Etymology
, itself from.

Adjective

 * 1) incidental, by accident

Adverb

 * 1) incidentally, accidentally, coincidentally, by chance