Meaning of the word “UN”

“Daddy, what does the word ‘un’ mean?”
“Do you mean when you put it in front of a word, There are two reasons behind this condition; a premature loss levitra 20mg uk of eggs from the ovaries or an autoimmune response. This was left for 5/10 min in the belief that the pressure cialis sale would reduce the congestion in the vessels of the urethra. As such, men undergoing bowel surgery are known super viagra online to cause erectile dysfunction in many men. Many people, especially old cialis on line martinblaser.com men, prefer to use erectile dysfunction medication so that they can show them a proper path towards getting over the issue. like ‘unhappy’?”
“No, Daddy. Like ‘And the angel of the lord said “Un” to the shepherds in the field.'”