12th cent. From Latin mittere "to send," but originally "to give."
From Proto-Italic *meit-e/o- 'id.' The geminate -tt- in Latin is mysterious but note Archaic Latin mitat "he sends." From Proto-Indo-European *mei̯th2- "to exchange."
Portuguese meter, Galician meter, Catalan metre, French mettre, Italian mettere, Sardinian míntere
South Picene meitims "monument"
Gothic in-maidjan "to change"
Sanskrit methete "he becomes hostile," Young Avestan paiti-miθnāiti "sends away"