Related Clues:

• Long preceder
• Keatsian preposition
• Literary preposition
• Prior to, to a poet
• Before, before we used "before"
• Previously, in literature class
• Poetic, palindromic preposition
• Before, to Frost
• Sooner than, to a bard
• Before to Browning
• Word with "while"
• "Now" or "long" preceder
• "___ I saw Elba"
• Before, in ballades
• Old long introduction?