construct (n.)

1871 in linguistics, "group of words forming a phrase;" 1890 in psychology, "object in the mind formed by sense-impressions" (C.L. Morgan); 1933 in the general sense of "anything constructed;" from construct (v.) or a derived adjective, with altered pronunciation to distinguish noun from verb (as with produce, detail, project, compress, etc.).

construct (v.)

1660s, "put together the parts of in their proper place and order," from Latin constructus, past participle of construere "pile up together, accumulate; build, make, erect," from assimilated form of com "with, together" (see con-) + struere "to pile up" (from PIE *streu-, extended form of root *stere- "to spread"). Sense of "to devise and form in the mind" is from 1755. Related: Constructed; constructing.