Possible Clues:

• Provide quality last at first
• So to provide the quality is enough to finish you, by the sound of it
• Clothe distressed English nude
• Last not having river supply
• Imbue
• Give quality to some fifteen duets
• Invest or provide, as with some quality or trait
• Supply (with)
• Invest (something) with a quality or ability
• Supply the essence of Freud, ne'er written up