c.1400, from Old English *stercan (Mercian), *stiercan (West Saxon) "make rigid," found in stercedferhð "fixed, hard, resolute" (related to stearc "stiff"), from Proto-Germanic *starkijanan (cf. German Stärke "strength, starch"), from PIE root *ster- "strong, firm, stiff, rigid" (see stark). Related: Starched; starching.
"pasty substance used to stiffen cloth," mid-15c., from starch (v.). Figurative sense of "stiffness of manner" is recorded from 1705.
starch (stärch)
n.
A naturally abundant nutrient carbohydrate found chiefly in the seeds, fruits, tubers, roots, and stem pith of plants, and commonly prepared as a white, amorphous, tasteless powder used in powders, ointments, and pastes. Also called amylum.
A food having a high content of starch, such as rice, bread, and potatoes.