quid pro quo /kwid prō kwō/

1. Something given or taken as equivalent to another, often as retaliation or in return for a previous favour
2. The action or fact of giving or receiving thus

• threshing mill
• threshings
• threshold
• threshold dose
• threshold doses
• threshold lighting
• threshold lights
• threshold of audibility
• threshold of sound
• thresholds
• thretty
• threw
• thrice
• thrid
• thridace
• thridaces
• thridded
• thridding
• thrids
• thrift
• thriftier
• thriftiest
• thriftily
• thriftiness
• thriftinesses