Negative adverb used before verbs, adjectives, and other adverbs to indicate negation; also used as a bound-form prefix to form terms with opposite meanings

(bound form) wing of a bird or insect; a wing-like part of a machine or building

Connects an adverb-like description to the following verb to show the manner, cause, or basis of an action.

to fly or move through the air; to hover or flutter