Past tense of 'gust'; blew in sudden, strong bursts of wind.
From Old Norse 'gustr' (gust), first appearing in English in the 1500s. Related to Scandinavian words for wind and storm. The past tense adds the standard -ed ending.
The word 'gust' is onomatopoetic—it sounds gusty—and weather forecasters love this family of words because English has excellent vocabulary for different types of wind (breeze, gale, squall, gust), probably because wind profoundly affected shipping and sailing.
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