corrode
UK[kəˈrəʊd]US[kəˈroʊd]
v
to destroy a metal, stone, or other material slowly by a chemical reaction, especially oxidation.
v
to gradually weaken or destroy something abstract, such as a relationship, system, or feeling.
Morpheme Breakdown
cor
rode
cor
intensive
rode
gnaw
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
Structure: cor (intensive) + rode (gnaw)
"cor-" is a Latin prefix (from 'com-') meaning 'together, thoroughly, intensively'. "rode" is from the Latin root 'rodere', meaning 'to gnaw'.
Examples
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.