tow1
Pronunciation: /təʊ/
verb
- (of a motor vehicle or boat) pull (another vehicle or boat) along with a rope, chain, or tow bar: a pickup van towing a trailer a man called to tow the car away the authorities refused to allow the tanker to be towed into their ports
- (of a person) pull along behind one: she saw Florian towing Nicky along by the hand
noun


Origin:
Old English togian 'draw, drag', of Germanic origin; related to tug. The noun dates from the early 17th century

The phrase is toe the line, not tow the line: see toe (usage).