- tiller (n.1)
- mid-14c., "stock of a crossbow," from Old French telier "stock of a crossbow" (c. 1200), originally "weaver's beam," from Medieval Latin telarium, from Latin tela "web; loom," from PIE *teks-la-, from root *teks- "to weave" (see texture (n.)). Meaning "bar to turn the rudder of a boat" first recorded 1620s.
- tiller (n.2)
- "one who tills," mid-13c., from till (v.).