พจนานุกรม • (pót-jà-naa-nú-grom)
From Sanskrit वचन (vacana, “expression; speech; word; etc.”) or Pali vacana + अनुक्रम (anukrama, “index; order; sequence; succession; etc.”). Compare Khmer វចនានុក្រម (vôchânéanŭkrâm), Lao ວັດຈະນານຸກົມ (wat cha nā nu kom).