Etymology
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*medhyo- 
Proto-Indo-European root meaning "middle." Perhaps related to PIE root *me- (2) "to measure."

It forms all or part of: amid; intermediate; mean (adj.2) "occupying a middle or intermediate place;" medal; medial; median; mediate; medieval; mediocre; Mediterranean; medium; meridian; mesic; mesial; meso-; meson; Mesopotamia; Mesozoic; mezzanine; mezzo; mezzotint; mid (prep., adj.); middle; Midgard; midriff; midst; midwife; milieu; minge; mizzen; moiety; mullion.

It is the hypothetical source of/evidence for its existence is provided by: Sanskrit madhyah, Avestan madiya- "middle," Greek mesos, Latin medius "in the middle, between; from the middle," Gothic midjis, Old English midd "middle," Old Church Slavonic medzu "between," Armenian mej "middle."
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*gher- (1)
Proto-Indo-European root meaning "to grasp, enclose."

It forms all or part of: Asgard; carol; choir; choral; chorale; choric; chorister; chorus; cohort; cortege; court; courteous; courtesan; courtesy; courtier; curtilage; curtsy; garden; garth; gird; girdle; girt; girth; -grad; hangar; Hilda; Hildegard; Hortense; horticulture; jardiniere; kindergarten; Midgard; orchard; Terpsichore; Utgard; yard (n.1) "patch of ground around a house."

It is the hypothetical source of/evidence for its existence is provided by: Sanskrit ghra- "house;" Albanian garth "hedge;" Greek khortos "pasture;" Phrygian -gordum "town;" Latin hortus "garden;" Old Irish gort "field," Breton garz "enclosure, garden;" Old English gyrdan "to gird," geard "fenced enclosure, garden," German Garten "garden." Lithuanian gardas "pen, enclosure," Old Church Slavonic gradu "town, city," and Russian gorod, -grad "town, city" belong to this group, but linguists dispute whether they are independent developments or borrowings from Germanic.
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