Obs. rare. [ad. L. effossiōn-em, f. effoss-us, pa. pple. of effodĕre: see EFFODE.] The action of digging out (of the ground).
1657. Tomlinson, Renous Disp., 271. Its roots after their effossion are cut and dryed.
c. 1714. Arbuthnot, etc. Mar. Scriblerus, I. i. in Popes Wks. (1886), X. 279. He set apart several annual sums for the effossion of coins.
1755. in Johnson; and in mod. Dicts.