Meaning

noun a piece of land cleared of trees and usually enclosed

noun a region where a battle is being (or has been) fought

noun somewhere (away from a studio or office or library or laboratory) where practical work is done or data is collected

originFrom Middle English feeld, feld (“field”), from Old English feld (“field”), from Proto-West Germanic *felþu (“field”), from Proto-Germanic *felþuz (“field”), ultimately from Proto-Indo-European *pleh₂- (“field, plain”) or *pleth₂- (“flat”) (with schwebeablaut). Cognates Cognate with Scots feld, feild (“field”), North Frisian fial, fälj (“field”), Saterland Frisian Fäild (“field”), West Frisian…

Etymology from Wiktionary, CC BY-SA 3.0