estuate

From Latin aestuare (“to be in violent motion, to boil up, burn”), from aestus (“boiling or undulating motion, fire, glow, heat”), akin to Ancient Greek [Term?] (“to burn”). See ether.

estuate (third-person singular simple present estuates, present participle estuating, simple past and past participle estuated)

1. (archaic, intransitive) To swell up or rage; to be agitated
   • 1620, Tobias Venner, Via Recta ad Vitam Longam:

     it is onely profitable to a ſtomacke that eſtuateth with heat

   • 1614, Francis Bacon, speech […] [about the] Undertakers

     these vapours were not gone up to the head, howsoever they might glow and estuate in the body

   • a. 1690, Ezekiel Hopkins, Expositions of the Ten Commandments:

     And how darest thou pray, whilst wrath estuates and rankles in thy breast?

• estuation

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