milhaEtymologyFrom Portuguese milha (“Portuguese mile”), from Latin mīlia (“Roman mile”), plural of mīlle (“thousand”) from its length of 1000 Roman paces, from Proto-Indo-European *(sm̥-)ǵʰéslo-. Doublet of mile and milla.nounA traditional Portuguese unit of distance, equivalent to about 1481.5, 1851.9, or 2057.6 m depending on the league used.