lumbus

== English == === Etymology === Learned borrowing from Latin lumbus. Doublet of loin. === Noun === lumbus (plural lumbi) (anatomy) Synonym of loin. == Latin == === Etymology === From Proto-Indo-European *lendʰ- (“to enter, penetrate, expand”), cognate with Old English lynd (“fat, grease”), lendenu (“loins”), Proto-Slavic *lędvьje (“loins”), Sanskrit रन्ध्र (rándhra, “fissure”). The expected outcome of *-ndʰ- in Latin is /-nd-/: the /b/ can be explained as a secondary development from /dw/ (as in bonus) in a form *londwo-, which De Vaan derives from the u-stem *lendʰu-. Sihler instead suggests that the /b/ can be explained by borrowing from Oscan-Umbrian. Alternatively, borrowing from Proto-Germanic *lundwuz (“loin, kidney fat”) is also a possibility. === Pronunciation === (Classical Latin) IPA(key): [ˈɫʊm.bʊs] (modern Italianate Ecclesiastical) IPA(key): [ˈlum.bus] === Noun === lumbus m (genitive lumbī); second declension (anatomy) loin (Late Latin) lumbar (in the plural) genitals ==== Declension ==== Second-declension noun. ==== Descendants ==== === References === === Further reading === “lumbus”, in Charlton T. Lewis and Charles Short (1879), A Latin Dictionary, Oxford: Clarendon Press “lumbus”, in Charlton T. Lewis (1891), An Elementary Latin Dictionary, New York: Harper & Brothers "lumbus", in Charles du Fresne du Cange, Glossarium Mediæ et Infimæ Latinitatis (augmented edition with additions by D. P. Carpenterius, Adelungius and others, edited by Léopold Favre, 1883–1887) “lumbus”, in Gaffiot, Félix (1934), Dictionnaire illustré latin-français, Hachette.