oppilate /OP-i-layt/. verb. To block, obstruct, stop up. Most of often pores or bowels. Noun: oppilation; adjective: oppilation. To remove such an obstruction is to deoppilate. From Latin ob (in the way, against) + pīlāre (to ram down, pack closely).
“Avicen cries out, that ‘nothing is worse than to feed on many dishes, or to protract the time of meats longer than ordinary; from thence proceed our infirmities, and ’tis the fountain of all diseases, which arise out of the repugnancy of gross humours.’ Thence, saith Fernelius, come crudities, wind, oppilations, cacochymia, plethora, cachexia, bradypepsia, Hinc subitœ mortes, atque intestata senectus, sudden death, etc., and what not.” (Robert Burton)
“He pictured himself for the next three years spending a large part of his time suffering the oppilations and vertigo of travel in smelly and bug-ridden coaches.” (Winston Graham)
“…these meagre, starv’d spirits, who have half stopt the organs of their minds with earthy oppilations, want not their favourers among your shrivell’d salad-eating artisans, who are overjoy’d that they may have their half-pe’ rth of physic; though it purge ’em into another world, ’t makes no matter.” (Ben Jonson)