Origin: 1350–1400; Middle English: literally, (something) poured in, equivalent to in-in-1 + got(e) a stream, Old English *gota, akin to gēotan to flow; cognate with German giessen,Gothic giutan,Old Norse gjōta to pour
late 14c., "mold in which metal is cast," probably from in- "in" + O.E. goten, pp. of geotan "to pour." Sense of "mass of cast metal" first attested 1423.