Possible Clues:

• This greeting to the people might be owed from him, by the sound of it
• Roman odist
• & 9 Down Author of the Gothic novel 'The Castle of Otranto'
• Frost's not a brilliant poet
• Poet in hot competition to secure love
• Roman poet who coined 'carpe diem'
• Frost not a great poet
• Roman who wrote 'Whatever advice you give, be brief'
• Hard or masterly man
• Roman lyric poet, d.8BC — a chore (anag)