brimstony

From Middle English brunstony, brimstoni, equivalent to brimstone +‎ -y.

brimstony (comparative more brimstony, superlative most brimstony)

1. Containing or resembling brimstone; sulphurous.
   • 1610 (first performance), Ben[jamin] Jonson, The Alchemist, London: […] Thomas Snodham, for Walter Burre, and are to be sold by Iohn Stepneth, […], published 1612, →OCLC, (please specify the Internet Archive page), (please specify the scene number in lowercase Roman numerals):

     King of Thogarma, and his Habergions Brimstony, blue, and fiery

• “brimstony”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.