construct (n.) Look up construct at Dictionary.com
1871 in linguistics, 1890 in psychology, 1933 in the general sense of "anything constructed;" from construct (v.), with altered pronunciation to distinguish noun from verb (as with produce, detail, etc.).
construct (v.) Look up construct at Dictionary.com
early 15c., from Latin constructus, past participle of construere "to heap up" (see construction). Related: Constructed; constructing.