Meaning

noun a thing constructed; a complex entity constructed of many parts

noun the manner of construction of something and the arrangement of its parts

noun the complex composition of knowledge as elements and their combinations

originFrom Middle French structure, from Latin structūra (“a fitting together, adjustment, building, erection, a building, edifice, structure”), from struere, past participle structus (“pile up, arrange, assemble, build”). Compare construct, instruct, destroy, etc.

Etymology from Wiktionary, CC BY-SA 3.0