The word 'widgeon' first appears in English in the early 16th century, but its linguistic origins are obscure and debated. It is likely an adaptation of a word from a regional European language, possibly influenced by or borrowed from a word like the Old French 'vigeon'. The term's journey into English reflects the practical naming of wildlife based on local vernacular rather than classical roots. Over time, its spelling stabilized from variants like 'wigeon' and 'widgeon' to refer specifically to a group of dabbling ducks known for their distinctive whistling calls.

The word 'widgeon' is a simplex word of uncertain origin. It is not productively formed from distinct, separable morphemes in modern English.