Definition from Wiktionary, the free dictionary
From the participle stem of Latin deponere.
depositure (plural depositures)
- (rare) The act of depositing.
- 1658: The Ægyptians [...] by precious Embalments, depositure in dry earths, or handsome inclosure in glasses, contrived the notablest wayes of integrall conservation. — Sir Thomas Browne, Urne-Burial (Penguin 2005, p. 5)