Pick a boo behind the words we use

Have you ever stop to consider what's behind many words that we use? I do this often and wonder about the real meaning of things. It is sad for me to see that we reject people for being older, that is not something we get to choose, we are all getting older from the day we are born, so why not embrace what our seniors have to offer us? They have gather knowledge and wisdom through the years, so let's listen to them!