Leaning
来自Big Physics
Old English hleonian, hlinian, of Germanic origin; related to Dutch leunen and German lehnen, from an Indo-European root shared by Latin inclinare and Greek klinein .
wiktionary
From Middle English lening, leninge, from Old English hlinung(“leaning; resting; place of rest”), equivalent to lean + -ing.
See the etymology of the corresponding lemma form.
etymonline
leaning (n.)
Old English hlininga; verbal noun from lean (v.). Figurative sense "inclination, tendency" is from 1580s. Related: Leanings.