mid-15c., "desert, abandon;" late 15c., "give up, desist," from Old French relinquiss-, present participle stem of relinquir (12c.), from Latin relinquere "leave behind, forsake, abandon, give up," from re- "back" (see re-) + linquere "to leave," from PIE *linkw-, from root *leikw- "to leave behind" (cognates: Sanskrit reknas "inheritance, wealth," rinakti "leaves;" Greek leipein "to leave;" Gothic leihvan, Old English lænan "to lend;" Old High German lihan "to borrow;" Old Norse lan "loan"). Related: Relinquished; relinquishing.