/əˈbeɪt/
[verb] To become less strong, serious, or intense; or to make something less strong or severe. For example, a storm can abate, or medicine can abate pain.
The word 'abate' secretly carries the idea of beating something down — it literally means to knock the force out of something.
The story of 'abate' begins with a satisfyingly physical image: something being knocked flat. The word comes from Old French *abatre*, meaning 'to beat down' or 'to knock down', which was built from the prefix *a-* (from Latin *ad-*, meaning 'to' or 'towards') combined with *batre*, meaning 'to beat'. That Old French *batre* came directly from the Latin *battuere*, meaning 'to beat' or 'to strike'. So at its heart, to abate something was to beat it into submission — to physically flatten it.
The Latin *battuere* was a wonderfully productive root. It moved through Old French *batre* and then spread into English in multiple forms. The same root gave us 'battle' (via Old French *bataille*), 'batter' (via Old French *battre* → Middle English *bateren*), and even 'combat' (from Latin *com-* + *battuere* → Old French *combatre* → English *combat*). Each of these words carries that same ancient idea of striking and fighting.
English picked up 'abate' in the 14th century, during the Middle English period, at a time when French vocabulary was flowing heavily into the language following the Norman Conquest of 1066. In its earliest English uses, 'abate' was quite physical and legal in tone — it was used in law to mean reducing or removing something, such as a nuisance or a legal claim. A landlord might 'abate' a wall, meaning to tear it down. Courts would abate proceedings — that is, halt or diminish them.
Over time, the meaning softened and became more abstract. Instead of knocking something physically flat, 'abate' came to describe the natural lessening of anything powerful — a storm abates, grief abates, fever abates. The violence of the original image quietly faded, leaving behind the gentler idea of intensity gradually reducing. This shift from physical force to metaphorical diminishment is a pattern that happens to many strong, action-packed words over the centuries.
One of the more surprising connections is to the word 'abattoir' — the slaughterhouse. That word comes from the same Old French root *abatre*, in its most literal, brutal sense: a place where animals are beaten down and killed. It is a striking contrast to the mild, almost peaceful modern meaning of 'abate', yet both words share identical ancestry. The word that now quietly describes a storm dying down once had the raw energy of something being struck to the ground.