Possible Clues:

• Imposing (building)
• If frozen, the editor has to put up with it
• It's just a put-up job if it's frozen at the bottom
• It's a put-up job for the editor when it's frozen
• Could the editor, if so cold and hard, build this up?
• That''s a set-up for the editor if it''s cold enough
• Put one up for editor, if it's hard and cold enough
• That may be put up over the paper if it's frozen
• Put up with it if it's cold enough at the bottom
• Skyscraper, e.g