Related Clues:

• 'Tantum ___' (part of a Eucharist hymn)
• Thus
• Leave in
• Proof part
• Start of a conclusion
• Editor's veto
• And so
• 'Keep it in'
• Underline with dots
• Undo a change
• Cogito-sum divider
• Middle of Descartes' conclusion
• Ezra Pound's '___ Hora'
• Part of QED
• Printer's direction