Origin of PlanoSpanish plano, plane, flat surface: misunderstood as “plain,” for the plains in the area
- plane, flat: planography
- having one side plane and (the other as specified): plano-concave
Origin of plano-from Classical Latin planus, level, flat: see plain
or plani- or plan-
Origin of plano-From Latin plānus flat ; see pelə-2 in Indo-European roots.