interdependence (n.)youdaoicibaDictYouDict[interdependence 词源字典]
1822, from inter- + dependence.[interdependence etymology, interdependence origin, 英语词源]
interdependency (n.)youdaoicibaDictYouDict
1838, from interdependent + -cy.
interdependent (adj.)youdaoicibaDictYouDict
1817, from inter- + dependent. Related: Interdependently.