prostrate (adj.) Look up prostrate at
mid-14c., "lying face-down" (in submission, worship, etc.), from Latin prostratus, past participle of prosternere "strew in front, throw down," from pro- "forth" (see pro-) + sternere "to spread out," from PIE root *stere- "to spread, extend, stretch out" (see structure (n.)). Figurative use from 1590s. General sense of "laid out, knocked flat" is from 1670s.
prostrate (v.) Look up prostrate at
early 15c., prostraten, "prostrate oneself," from prostrate (adj.). Related: Prostrated; prostrating.