To reduce or remove the capital investment or resources from something; to strip of authority or importance.
From de- + capitalize + -ize (verb suffix). This is the active verb form of the financial/organizational concept.
Decapitalize can mean literally reducing a company's funding, but it also means removing power from leadership—showing how 'capital' evolved to mean both money and authority, both things you can strip away.
Complete word intelligence in one call. Free tier — 50 lookups/day.