COUNTERVAIL.To countervail (Est_7:4, Sir_6:15) is to make up for, give an equivalent, as in Mores Utopia: All the goodes in the worlde are not liable to countervayle mans life.
Hastings' Dictionary of the Bible
Edited by James Hastings, D.D. Published in 1909
koun-tẽr-vāl? (שׁוה, shāwāh, ?equalize?): To thwart or overcome by acting against with equal force; Thus, ?The enemy could not countervail the king's damage? or loss (Est_7:4 the American Standard Revised Version reads ?The adversary could not have compensated for the king's damage?). ?Nothing doth countervail (the Revised Version (British and American) ?can be taken in exchange for?) a faithful friend? (Ecclesiasticus 6:15).
International Standard Bible Encyclopedia
PRINTER 1915.