mid-15c., "action or process of building or construction," from Latin structura "a fitting together, adjustment, building," from structus, past participle of struere "to pile, build, assemble," related to strues "heap," from PIE *stere- "to spread, extend, stretch out" (cf. Sanskrit strnoti "strews, throws down;" Avestan star- "to spread out, stretch out;" Greek stronymi "strew," stroma "bedding, mattress," sternon "breast, breastbone;" Latin sternere "to stretch, extend;" Old Church Slavonic stira, streti "spread," strama "district;" Russian stroji "order;" Gothic straujan, Old High German strouwen, Old English streowian "to sprinkle, strew;" Old English streon "strain," streaw "straw, that which is scattered;" Old High German stirna "forehead," strala "arrow, lightning bolt;" Old Irish fo-sernaim "spread out," srath "a wide river valley;" Welsh srat "plain"). Meaning "that which is constructed, a building or edifice" is from 1610s.
