mid-13c., from Old French respit "delay, respect" (Modern French répit), from Latin respectus "consideration, recourse, regard," literally "act of looking back (or often) at one," noun use of past participle of respicere "look back at, regard, consider," from re- "back" (see re-) + specere "look at" (from PIE root *spek- "to observe"). A doublet of respect (n.).
respects
respiration
respirator
respiratory
respire
respite
resplendence
resplendent
respond
respondent
responder