- superposition (n.)
[superposition 词源字典]
- 1650s, from French superposition, from Late Latin superpositionem (nominative superpositio) "a placing over," noun of action from past participle stem of superponere "to place over," from super (see super-) + ponere "to put, place" (past participle positus; see position (n.)).[superposition etymology, superposition origin, 英语词源]