Pronunciation: [ˌɒn wˈɪŋ] (IPA) 
The phrase "on wing" is spelled as /ɒn wɪŋ/ in IPA phonetic transcription. The first syllable 'on' is pronounced with a short vowel sound similar to the word 'got'. The second syllable 'wɪŋ' has a long 'i' sound like in the word 'pie' and the 'ng' is pronounced like the 'ng' in the word 'sing'. When used together, the phrase 'on wing' is used to describe something that is flying or in flight, such as a bird or an airplane.
On wing is an idiomatic expression that refers to someone or something that is actively in flight or in the air. It commonly describes birds, insects, and other flying creatures. When used in the context of birds, on wing means that a bird is soaring through the sky, gliding, or flapping its wings in movement. This phrase can also be applied to other creatures capable of flying, such as butterflies or bats, as they move through the air.
Additionally, "on wing" can be used metaphorically to describe a situation or event that is currently happening or is ongoing. In this sense, it conveys the idea of forward motion or progress. For example, a business or project that is "on wing" implies that it is active, developing, or making advancements.
The term can also be used to express the idea of freedom and independence. It signifies the ability to transcend the earthly realm and explore the open skies. The phrase "on wing" embodies the grace, agility, and elegance of creatures capable of flight, evoking a sense of awe and marvel.
In summary, "on wing" describes the act of flying or being in the air, both literally and metaphorically. Its use can signify physical flight, ongoing events, or the idea of freedom and independence.
The phrase on wing does not have a distinct etymology as a single word. However, it can be broken down into its individual components to understand their origins:
1. On: On is a preposition in English, indicating position or location. Its root can be traced back to Old English, where it was spelled on or an, meaning in, into, or onto.
2. Wing: Wing is a noun in English, referring to the limb of a bird or bat that enables flight. It comes from Old English wenge, which also meant wing. The word's origin is uncertain, but it is believed to be related to the Old Norse word vængr or Old High German wanga.
When these two words are combined, on wing essentially means in flight or in the state of flying.
