leeward (adj.) Look up leeward at Dictionary.com
"situated away from the wind, on the side opposite the weather side of a ship, pertaining to the quarter toward which the wind blows," 1660s, from lee + -ward. Also as an adverb. Similar formation in Dutch lijwaarts, German leewärts, Swedish lävart. The Leeward Islands are so called in reference to prevailing northeasterly trade winds.