Leaf: A 'leaf' of a book and a leaf of a… | etymologist.ai
leaf
/liːf/·noun·before 700 CE·Established
Origin
From PIE *lewbh- (to peel off) — connecting a plant's leaf to a book's pagethrough the concept of a thin layer.
Definition
A flattened structure of a higher plant, typically green and blade-like, attached to a stem and the main organ of photosynthesis.
The Full Story
Proto-Germanicbefore 700 CEwell-attested
From OldEnglish 'lēaf' (leaf, page), from Proto-Germanic *laubaz (leaf, foliage), from PIE *lowb\CA o- or *leub\CA - (to peel, to strip bark, leaf). ThePIEroot connects the leaf as something peeled or stripped from a branch. Related Germanic forms: Old HighGerman 'loub' (foliage, leaf — source of German 'Laub' and 'Laube', a leafy
Did you know?
A 'leaf' of a bookand a leaf of a tree are the same word for the same reason: both are thin, flat things you can peel away. And 'lodge' and 'lobby' are distant relatives — a lodge was originally a shelter made of leafy branches, from Germanic *laubja (a leaf-shelter).
, attested from the 15th century. 'Leaflet' is a diminutive formation. The word has been phonologically stable in Germanic since Proto-Germanic times, attested in Old English before 900 CE. Key roots: *lewbʰ- (Proto-Indo-European: "to peel off, leaf, rind").