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lean

/liːn/

Incline, rely, favor, or be spare-bodied

From Proto-Indo-European *klei- (to lean) + Proto-Germanic *hlainijaną (to cause to lean).

verb
adjective
noun
lean (verb)
Proto-Indo-European
Verified
*klei-
reconstructed
“to lean”; reconstructed ancestor

from PIE root *klei- "to lean." Transitive sense "cause to lean or rest" is

Proto-Germanic
Verified
*hlinen
reconstructed
“to lean”; reconstructed Germanic form

from Proto-Germanic *hlinen (source also of Old Saxon hlinon , Old Frisian lena , Middle Dutch lenen , Dutch leunen ,...

Old English
Verified
hlinian / hleonian
“to recline, lie down, rest, bend”

from Old English hlinian "to recline, lie down, rest; bend or incline" (Mercian hleonian , Northumbrian hlionian )

+1 more source
Middle English
Verified
lenen
“to lean”; ancestor of modern verb

from Middle English lenen (“to lean”)

lean (adjective)
Proto-Germanic
Verified
*hlainijaną
reconstructed
“to cause to lean,” possibly describing a body weakened by hunger

from Proto-Germanic *hlainijaną (“to cause to lean”). If so, then related to Old English hlinian, hleonian (“to...

Old English
Verified
hlǣne
“lean”; cognate with Low German leen

from Old English hlǣne (“lean”), (cognate with Low German leen), perhaps

Middle English
Verified
lene
“lean”; describing a thin or spare body

from Middle English lenen (“to lean”)

Modern English
lean

Picture an Anglo-Saxon resting against a rough timber wall: that everyday shift of weight is captured in Old English hlinian and hleonian, recorded around the period before English had settled into its modern shape. The verb’s family eventually produced German lehnen and Dutch leunen, while the same deep Indo-European root also appears in recline and incline—words that make leaning sound progressively more formal and architectural. The adjective has a slightly murkier history: Old English hlǣne may have suggested someone made thin or weak by hunger, though the exact connection with the verb remains debated. Golf supplies an unexpected cousin in links, originally the ridged, sandy coastal ground where Scottish golf courses grew; the landscape itself seems to “lean” into hills and hollows. And when someone “leans on” you, first recorded in the pressure-bearing sense in 1960, the old physical image is still doing the work: your support has become their human wall.

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