corrode
Meaning
to destroy a metal, stone, or other material slowly by a chemical reaction, especially oxidation.
to gradually weaken or destroy something abstract, such as a relationship, system, or feeling.
Structure
Usage
the acid rain began to corrode the metal railings.
trust between them slowly corroded over years of suspicion.
salt water can quickly corrode unprotected steel.
Etymology
The word 'corrode' originates from the Latin verb 'corrodere', a compound of the intensive prefix 'com-' (here assimilated to 'cor-') and 'rodere', meaning 'to gnaw'. This literal sense of 'gnawing away thoroughly' was applied to the destructive action of acids or rust on metals. Over time, the meaning broadened metaphorically to describe any process that gradually weakens or destroys something, whether physical or abstract, mirroring the slow, consuming action of gnawing.
Analysis
"cor-" is a Latin prefix (from 'com-') meaning 'together, thoroughly, intensively'. "rode" is from the Latin root 'rodere', meaning 'to gnaw'.