I can only imagine this has been asked before, but the closest I found in a search had to do with translation and slang. Sorry if it's been answered!
My question is about the watering-down of English words, in particular, as I'm not familiar with others. For example, "awesome" coming to mean "pretty cool" instead of "worthy of awe," and "tribe" coming to mean "a group of people with similar ideas who want to feel connected" instead of "a group of people who share a culture." I was once told that the term for this was "language meiosis," but that turns out to be a different thing. "Trivialization" and "diminishment" turn up nothing. Is there a word for this process?