devalue

verbs

remove the value from; deprive of its value
is derived from
lower the value or quality of
"The tear devalues the painting"
is derived from
is derived from
is a type of (narrower)
cause to change; make different; cause a transformation
"The advent of the automobile may have altered the growth pattern of the city"; "The discussion has changed my thinking about the issue"
lose in value
"The dollar depreciated again"
is derived from