Informo pri la vorto undercut (angla → esperanto: subfosi)

The president’s pardoning of a leader who operated his country as a narco‐state would severely undercut his rationale for using military force against Maduro, whom he accuses of the same offense.

Calling for Mueller’s firing would undercut the White House argument.

The research undercuts Orbán’s claims that continuing to buy Russian oil, despite European Union‐wide efforts to phase out Russian fossil fuels, makes fuel cheaper for Hungarians.