corrode

verb

Etymology: From Middle English corrōden, that borrowed from Old French corroder or directly from Latin corrōdere (“to gnaw”), from con- (“completely”) + rōdere (“to gnaw”).

1. To eat away bit by bit; to wear away or diminish by gradually separating or destroying small particles of, as by action of a strong acid or a caustic alkali.
2. To consume; to wear away; to prey upon; to impair.

   “My morale is being corroded day by day.”

3. To have corrosive action; to be subject to corrosion.