English
superimposition
From super- + imposition.
A compound of super- + imposition
Proto-Indo-European *tḱey- ‘to cultivate’
…
Latin impōnō ‘to place, lay, set, or put on, in, into,…’
Latin impositio ‘application’
Old French imposicion
Middle English imposicioun ‘a charge or fee or its collection or retrieval’
English imposition
Today it means
noun The placing of one image on top of another, especially placing a photograph over some other graphic; an image thus placed.
Language periods are conventional ranges, not dates for this word.
Etymograph / superimposition