*streb(h)-

"inversion of usual word order," 1570s, from Greek anastrophē "a turning back, a turning upside down," from anastrephein "to turn up, turn back, turn upside-down," from ana "back" (see ana-) + strephein "to turn" (from PIE root *streb(h)- "to wind, turn").

part of an ancient Greek choral ode, 1610s, from Latin, from Greek antistrophē "the returning of the chorus," "answering to a previous [strophe], except that they now moved from left to right instead of from right to left" [Liddell & Scott], literally "a turning about, a turning back," from antistrephein, from anti "opposite, in opposition to; in return" (see anti-) + strephein "to turn" (from PIE root *streb(h)- "to wind, turn"). Related: Antistrophic.