Blowing

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Old English blāwan, of Germanic origin; related to German blähen ‘blow up, swell’, from an Indo-European root shared by Latin flare ‘blow’.

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From Middle English blowinde, blawende, from Old English blāwende, from Proto-Germanic *blēandz, present participle of Proto-Germanic *blēaną(“to blow”), equivalent to blow +‎ -ing.

From Middle English blowyng, blowing, blawyng, blawunge, from Old English blāwung(“blowing”), equivalent to blow +‎ -ing.