ἀντισπόδιον

τό

σποδός

A. substitute for [mineral] ashes, vegetable ashes, Orib. 15.1.27(36), Gal. 12.234:—also ἀντίσποδον, Dsc. 1.109, 5.75.
Liddell, Scott & Jones
A Greek-English Lexicon, 1940
An open-access project