interchange
v.
late 14c., from Old French entrechangier, from entre- (see inter-) + changier "to change" (see change, v.). Related: Interchanged; interchanging.
n.
1540s, "act of exchange, from Old French entrechange, from entrechangier (see interchange, v.). In reference to a type of road junction, 1944.
〔李〕[inter-=mutually 相互地；change v.变换⇒“to change mutually 互相之间变换”→] v. give and receive between two persons，etc. 交换，互换