/bɪˈleɪbər/
[verb] To explain or discuss something in too much detail, going over the same point again and again. It can also mean to hit or beat someone repeatedly and hard.
What started as a word for physical beating quietly became the English language's favourite way to describe someone who just won't stop talking.
The word 'belabour' is built from two simple pieces that English speakers have used for over a thousand years. The prefix 'be-' is a native Old English intensifier, used to make a verb stronger or more thorough — it appears in words like 'besiege', 'bewilder', and 'besmear'. The second part, 'labour', came into English in the 14th century from Old French 'labour', which itself descended from Latin 'labor', meaning toil, effort, or hardship. Put them together and you get something like 'to labour upon thoroughly' — and that is precisely where 'belabour' began.
In its earliest uses, recorded from around the late 16th century, 'belabour' was a thoroughly physical word. To belabour someone meant to beat them — to strike them repeatedly and with energy. The image was one of vigorous, almost mechanical effort applied to a body: the word carried the same sense of hard, sustained work that 'labour' always had, but now directed violently at a person. Soldiers were belaboured with swords, servants with sticks, and comic figures in popular drama with all manner of theatrical props.
The Latin root 'labor' is one of the most productive roots in the English language. Through different paths of transmission it gave English an extraordinary family of words. Directly from Latin came 'laboratory' (a place for work and experiment) and 'laborious' (requiring great effort). Through Old French 'labour' → Middle English came the everyday word 'labour' itself. And through Old French 'elaborer' → English came 'elaborate', which originally meant simply 'worked out with great care' before it broadened to describe anything complex or detailed.
The shift from physical beating to verbal excess is one of those elegant metaphorical leaps that English makes so naturally. By the 19th century, writers had begun using 'belabour' to describe the act of hammering someone with words — attacking an argument, a person, or an idea with the same relentless energy that a fist applies to a body. To belabour a point was to strike it again and again long after it had fallen. This figurative sense eventually became the dominant one, especially in the phrase 'to belabour the point', which is now far more common than any physical meaning.
The British spelling 'belabour' and the American spelling 'belabor' reflect the broader transatlantic split over words ending in '-our' versus '-or'. This difference goes back to the 18th and early 19th centuries, when American lexicographers — most famously Noah Webster — deliberately simplified certain spellings to create a distinctly American standard. The word's meaning, however, remained identical on both sides of the ocean: a verb for doing something far more thoroughly, and far longer, than anyone ever asked for.