buttis

Latin

Probably via Greek (compare Ancient Greek πυτίνη (putínē, “flask”) and βοῦττις (boûttis)), ultimately from the imitative Proto-Indo-European *bʰeHw- (“to swell, puff”). Also see German Bütte, Latin bulla.

buttis f (genitive buttis); third declension

(Late Latin, Medieval Latin) cask, barrel
- c. 1080, John of Lodi, Vita B. Damiani, section 22:
  Aliquando vir Dei buttem vini repositam apud quamdam suam capellam habuerat […]
  On one occasion, the man of God had left a cask of wine by a certain chapel of his […]

Balkan Romance:
- Aromanian: buti
- Romanian: bute, butoi
Italo-Dalmatian:
- Istriot: bòto
- Italian: botte
- Neapolitan: votte
- Sicilian: vutti
Old French: boute
- → Irish: buta
Old Occitan: bota
- Catalan: bot
- → French: botte
West Iberian:
- Galician: bota
- Spanish: boto, bota
→ Albanian: but
→ Serbo-Croatian: буцањ / bucanj
→ Slovene: búča

"buttis", 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)
but(t)is in Bayerische Akademie der Wissenschaften (1967– ), Mittellateinisches Wörterbuch, Munich: C.H. Beck
R. E. Latham, D. R. Howlett, & R. K. Ashdowne, editors (1975–2013), “butta”, in Dictionary of Medieval Latin from British Sources‎^[1], London: Oxford University Press for the British Academy, →ISBN, →OCLC
Niermeyer, Jan Frederik (1976), “buttis”, in Mediae Latinitatis Lexicon Minus, Leiden, Boston: E. J. Brill, page 111
Roberts, Edward A. (2014), A Comprehensive Etymological Dictionary of the Spanish Language with Families of Words based on Indo-European Roots, Xlibris Corporation, →ISBN, page 749