Obs. Also 7 tant amount, tantamont, 8 tant’amount. [app. from TANTAMOUNT v.; perh. influenced by amount sb. beside amount vb.] That which amounts to as much, or comes to the same thing; something equivalent (to); an equivalent.
1637. Heylin, Brief Answ., 26. You come very neare it, to a tantamont.
1641. Prynne, Disc. Prel. Tyr., II. 216. He pronounced no particular sentence … but he did tant amount or more.
1642. W. Price, Serm., 40. Anger, and rancored envy, which … are a Tantamount to murder.
1646. Bp. Maxwell, Burd. Issach., 41. Letters of caption (that is … the tant’amount of the Writ De Excommunicato capiendo).
