In a state of flight; flying or in the air in motion.
From 'a-' (in the state of) + 'flight,' where 'flight' comes from Old English 'flyht' or Old Norse 'flótt,' originally meaning the act of fleeing or flying.
Medieval writers used 'aflight' to describe birds moving through air, but we almost never use this construction anymore—we say 'in flight' instead, showing how we've replaced old prefixes with prepositions.
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