Ending in linguistics refers to the part of a word that comes at the very end. It's like the last piece of a puzzle that tells you what the word means. For example, let's take the word "jumping." The ending in this word is "ing." This is because "ing" tells us that the word "jump" is happening right now. If we remove the ending, we get "jump," which means something different. Without the "ing," we don't know if the action is happening now or in the past. This is why endings are important in language – they help us understand what a word means and how it's being used.