cumulative

“Those small things, if you add them up in the cumulative effect ... that would add up to like a whole attitudinal change for me. People are going to give you more or offer many, many things to you. And I think when you become accustomed to all of that, that’s where greed follows.”

He said that the "cumulative effect of decisions over the last decade or so" had put the force in a "more and more precarious position", and some of its buildings would be "unusable" in a few years without further investment.

But “gaslighting” also describes the cumulative effect and the purpose of the whole interaction.

“Climate change is a cumulative problem. That means that with every year of delay, there is additional warming that we commit our planet to. Now is the time that we need to take action,” explains Prof Joeri Rogelj at Imperial College London.

In the New York Times last month, two scholars who have written a cumulative five books on “democratic crisis and authoritarianism” issued a warning about America’s heretofore failure to chase Trump out of politics.