Etymology Explorer › Middle English

Where does “meridian” come from?

meridian (Middle English) comes from Middle French meridien, from Latin meridianus, from Latin merīdiēs, from Latin medīdiēs, from Latin diēs, from Proto-Italic djēm, from Proto-Italic *djous, from Proto-Indo-European dyḗws — to be bright; sky, heaven.

Ancestry of “meridian”, step by step

StepLanguageWordMeaning
1Middle Frenchmeridienmidday; the south; celestial meridian
2Latinmeridianusmidday, noon; southern
3Latinmerīdiēs—
4Latinmedīdiēs—
5Latindiēs—
6Proto-Italicdjēmaccusative singular of *djous
7Proto-Italic*djous—
8Proto-Indo-Europeandyḗwssky, heaven; sky god
9Proto-Indo-Europeandyéws—
10Proto-Indo-Europeandyew-to be bright; sky, heaven

Words derived from “meridian”

  • meridian
  • postmeridian
  • transmeridian
  • antimeridian
  • circummeridian
Every word from Proto-Indo-European dyew- →