The word "winning" originates from the Old English verb winnan, which carried the robust sense of to struggle, toil, or fight. This term is rooted in the Proto-Germanic winnaną, meaning "to strive" or "to suffer," and further traces back to the Proto-Indo-European root wenh₁-, meaning "to desire, strive, or wish for." Over centuries, the meaning of "win" narrowed from the general act of striving to the specific successful outcome of gaining victory. The addition of the "-ing" suffix, originally a present participle marker, transforms the verb into an adjective. Thus, "winning" literally describes the state or quality of one who has striven and succeeded, which logically extends from describing a victorious competitor to describing a person or quality that successfully gains favor or admiration.

Structure: win (to gain victory) + ing (adjective-forming suffix) - win: From Old English winnan (to toil, labor, strive, fight), of Germanic origin. It functions as the core verb root meaning to gain victory through effort. - ing: From Old English -ende, the present participle suffix. In this word, it functions as an adjective-forming suffix, indicating the quality or state of the action of the root verb.