All her energy was devoted to the amassment of a vast fortune.
1654, Walter Charleton, Physiologia Epicuro-Gassendo-Charltoniana, London: Thomas Heath, Book 1, Chapter 2, p. 13,
… no can know, whether He [God] created either more Atoms then were requisite to the amassment of this World, or more Worlds then this one:
(countable) That which is amassed; a large quantity (of something).
Through the Internet, we have access to an unprecedented amassment of information.
Mac + Safari
iPhone + iPad
Google Chrome
Mozilla Firefox
Opera
Microsoft Edge