is the fourth letter of the Alefbet, with the sound of D.
Originally it was meant to look like a door, but I think now it looks more like a...
...doesn't mean anything in Hebrew, but...
(dag) - Means fish.
So, are you getting tired of the "ah" sounds? Well, I'm getting tired of thinking up examples with them, so it's time you learned another vowel. Ready?
Ready for... Segol?