Palindromic poetic preposition

The answer to the crossword question “Palindromic poetic preposition” is ERE. This three-letter word is a palindrome, meaning it reads the same backward as forward. In poetry, ERE is often used as a conjunction to indicate that something happened before a certain time or event. For example, “Ere the sun sets, we must finish our work.” ERE is a versatile word that can add a touch of elegance and sophistication to any piece of writing.