This is the 688th most frequent Swedish word.
e
"e" is a colloquial abbreviation of "är," meaning "am," "are," or "is" in English.
In this sentence, 'e' is an informal spoken Swedish equivalent for 'är,' which means 'is' in English.
Han e glad idag.
He is happy today.
Here, 'e' serves as a casual spoken form of 'är,' used in questions.
E det sant?
Is it true?
In this case, 'e' again replaces 'är' in informal spoken language, maintaining the same meaning of 'is' or 'are.'