estuate

Etymology
From, from , akin to. See.

Verb

 * 1)  To swell up or rage; to be agitated
 * 2) * 1614,, speech [about the] Undertakers
 * these vapours were not gone up to the head, howsoever they might glow and estuate in the body
 * these vapours were not gone up to the head, howsoever they might glow and estuate in the body