You saw what Benign wrote and you asked him from Az Yimalei S’chok Pinu, while Yiladim Misachakim didn’t bother you. That was actually his very point. We see that this Shoresh is not narrowed to laughter, rather to engulfing yourself with enjoyment. In fact, funny probably means of the fun type, which is very similar to what happened with S’chok and Mesachek.
But actually, it is silly to parallel languages. Every language has words that other languages will have to express with many words — which is my point with Fahrgin. In English we can say everyone and anyone. In Lashon Hakodesh, and Hebrew as well — I think — we say Kol Echad. We would have to emphasize what we mean by Kulanu, or Mishehu.
In Nedarim the Ran explained at length the difference between the two meanings. Being an English speaker, I was able to sum it up into two words, any and every.
Fun is passive. We say, I had fun, but not, I did fun. In Hebrew, it is a verb. This type of Derush is very poor, and should definately not be basis for an idea.