Early 20th century; earliest use found in Arthur William Judge (b. 1887). From overbank.
overbank2
/ˈəʊvəbaŋk/
adjective
1That is over or above the bank (of a river, etc.); that overflows or has overflowed the edge of a river bank.
In later use Physical Geography and Hydrology ..
2Gunnery. Designating or relating to a kind of gun carriage for muzzle-loading guns which enables the gun to be fired over a parapet. Now historical and rare.
Origin
Mid 17th century; earliest use found in Samuel Rutherford (c1600–1661), Church of Scotland minister and political theorist. From over- + bank.
overbank3
/ˌəʊvəˈbaŋk/
verb
1[with object]To bank (an aircraft) too much when making a turn; to bank too much in the performance of (a turn).
2[no object]Of an aircraft or its pilot: to bank too much.
Origin
Mid 19th century (in an earlier sense). From over- + bank.
overbank4
/ˌəʊvəˈbaŋk/
Finance
verb
[with object]To found or provide too many banks or banking facilities in (a place).
Origin
Early 20th century; earliest use found in The American Economic Review. From over- + bank.