Words related to -ment
1590s, "act of putting on vestments" (a sense now found in investiture); later "act of being invested with an office, right, endowment, etc." (1640s); and "surrounding and besieging" of a military target (1811); from invest + -ment.
Commercial sense of "an investing of money or capital" is from 1610s, originally in reference to the East India Company; general use is from 1740 in the sense of "conversion of money to property in hopes of profit," and by 1837 in the sense "amount of money invested." For evolution of the commercial senses, see invest.
She cries, 'Don't thee trouble thyself, Neighbour: Let them play a little; I'll put all to rights myself before I go.' But Things are never so put to rights, but that I find a great deal of Work to do after they are gone. Thus, Sir, I have all the Trouble and Pesterment of Children, without the pleasure of—calling them my own .... [Ben Franklin, "The Busy-Body," Feb. 25, 1728 (29)]