wide

Unlike most roots on this site, wide is not Latin or Greek — it is a native English word, descended directly from Old English wīd ('broad, extensive, far-reaching'), itself from Proto-Germanic *wīdaz. It has been in the language since before written records, which is why its family looks so plain: there are no exotic prefixes, just everyday Germanic word-building.

The core image is breadth — the distance from one side to the other. From that single image, English builds outward in two directions.

First, the literal, physical family. Add the verb-making ending -en and you get widen ('make broad'). Add the old noun ending -th (the same -th in length, depth, strength, warmth) and you get width — the measured amount of breadth. The adverb widely simply means 'over a broad area or range.'

Second, and more interesting, wide became a living combining form — one of the very few native English roots that still actively builds new words. Tacked onto the end of a noun, '-wide' means 'across the whole of': nationwide (across the whole nation), worldwide (across the whole world), citywide, statewide, company-wide, system-wide. This is a genuinely productive pattern: you can coin campus-wide or industry-wide on the spot and any English speaker understands it instantly. The logic is spatial — you picture something spread out to fill the entire width of a thing.

There is also a quieter, figurative drift. A 'wide range' or a 'wide variety' is not physically broad; the breadth is abstract, a span of options. 'Widespread' fear is fear that has spread out broadly across people and places. And a shot that goes 'wide' in football misses the target by going too far to the side — breadth turned into error. The thread running through all of it is the same plain picture: distance from edge to edge.