Persian edit

 
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Etymology edit

گرد (gerd, round) +‎ ـو (-u).

Pronunciation edit

Readings
Iranian reading? gerdu

Noun edit

Dari چارمغز
Iranian Persian گردو
Tajik чормағз

گردو (gerdu) (plural گردوها (gerdu-hâ))

  1. (Iran) walnut
    گردو شکستنgerdu šekastancracking a walnut