1. etesian - Noun
2. etesian - Adjective
Periodical; annual; -- applied to winds which annually blow from the north over the Mediterranean, esp. the eastern part, for an irregular period during July and August.
Source: Webster's dictionaryThe atmosphere is always warm, but fierce heat waves (temperatures above 38 °C) are not very common, since the prevailing Etesian winds ("Meltemia") blow from northern directions and pleasantly moderate the conditions. Source: Internet