callum

• callus

Uncertain, but possibly derived from Proto-Indo-European *kal- (“hard”) (perhaps via suffixed zero-grade *kl̥H-no-(m)); see also Old Church Slavonic калити (kaliti, “to harden, cool”), Proto-Celtic *kaletos (“hard”), Sanskrit कलिका (kalikā, “bud”).^[1]

• (Classical Latin) IPA^(key): /ˈkal.lum/, [ˈkälːʲʊ̃ˑ]
• (modern Italianate Ecclesiastical) IPA^(key): /ˈkal.lum/, [ˈkälːum]

callum n (genitive callī); second declension

1. A hard or thick substance.
2. The hardened, thick skin upon animal bodies, hide.
3. The hard skin or flesh of plants.
4. The hard covering of soil.
5. A callus, induration.
6. (figuratively) Hardness, callousness, insensibility, stupidity.

Second-declension noun (neuter).

• (callus): clāvus
• (hide): corium, cutis, pellis, scortum, tergus

• calleō
• callōsus

• callōsitās

• Catalan: call, cal·lus
• French: cal
• Galician: calo
• Italian: callo
• Portuguese: calo
• Sicilian: caḍḍu
• Spanish: callo
• Venetan: calo
  • → Cimbrian: kaalo

• “callum”, in Charlton T. Lewis and Charles Short (1879) A Latin Dictionary, Oxford: Clarendon Press
• “callum”, in Charlton T. Lewis (1891) An Elementary Latin Dictionary, New York: Harper & Brothers
• callum in Charles du Fresne du Cange’s Glossarium Mediæ et Infimæ Latinitatis (augmented edition with additions by D. P. Carpenterius, Adelungius and others, edited by Léopold Favre, 1883–1887)
• callum in Gaffiot, Félix (1934) Dictionnaire illustré latin-français, Hachette.
• Carl Meißner, Henry William Auden (1894) Latin Phrase-Book‎^[1], London: Macmillan and Co.
  • to render insensible to pain: callum obducere dolori (Tusc. 2. 15. 36)