What's the difference between i.e. and e.g.?
mid-14c., from Old English Zefferus, from Latin Zephyrus, from Greek Zephyros "the west wind" (sometimes personified as a god), probably related to zophos "the west, the dark region, darkness, gloom." Sense of "mild breeze" is c.1600.
The Greek and Roman god of the west wind, considered the most pleasant of the winds.