Meaning

noun the act of hauling something (as a vehicle) by means of a hitch or rope

verb drag behind

originFrom Middle English touw, from Old English tow- (“spinning”) (in compounds, e.g. towcræft, towhūs, towlic), from Proto-Germanic *tawwą; compare Old Norse tó (“uncleansed wool”), Dutch touw (“rope”). Perhaps cognate with Old English tawian (“prepare for use”), Gothic 𐍄𐌰𐌿𐌾𐌰𐌽 (taujan, “do, make”).

Etymology from Wiktionary, CC BY-SA 3.0