An eastern wind.
Origin of eastern
- Middle English estern from Old English ēasterne aus- in Indo-European roots
From American Heritage Dictionary of the English Language, 5th Edition
- From Middle English esterne, from Old English ēasterne (“eastern”), from Proto-Germanic *austrōnijaz (“eastern”), from Proto-Indo-European *austero- (“eastern”), from Proto-Indo-European *aus- (“to shine”). Cognate with Old Saxon and Old High German ōstrōni (“eastern”), Old Norse austrœnn (“eastern”). More at east.