"to reach, extend;" Lith. raizius "to stretch oneself;" O.Ir. rigim "I stretch"), related to base *reg- "to rule, to lead straight, to put right" (see
regal). Shakespeare uses the now-obsolete past tense form raught (O.E. ræhte). Meaning "arrive at" is early 14c.; that of "succeed in influencing" is from 1660s. The noun is first recorded 1520s; earliest use is of stretches of water. Reach-me-down "ready-made" (of clothes) is recorded from 1862, from notion of being on the rack in a finished state.