cooperculum

Latin

From cooperiō (“to cover”) +‎ -culum. See also operculum.

cooperculum n (genitive cooperculī); second declension

Italo-Romance:
- Italian: coperchio
- Sicilian: cuverchiu, cuperchiu
Padanian:
- Emilian: cuèrcc
- Friulian: cuviercli
- Ligurian: covèrcio, coèrcio
- Lombard: cuèrcc
- Piedmontese: cuèrcc, cuvercc, ciuèrc
- Romagnol: cuércc, cuérce
- Venetan: covercio, coercio, cuercio
Northern Gallo-Romance:
- Franco-Provençal: cuvèrcllo
- Old French: covercle
  - French: couvercle
  - → Middle English: covercle
    - English: covercle
Insular Romance:
- Sardinian: copérciu, copercu, covecu, cobecu, cobercu, cropecu, cuprecu
Vulgar Latin: *coopercellum
- Southern Gallo-Romance:
  - Old Catalan: cobrecel (influenced by cel)
    - Catalan: cobricel
  - Old Occitan: cobercel, cobrecel
    - ⇒ Languedocien: cabucèla
    - Provençal: curbecèu
    - Vivaro-Alpine: cuberceu

“cooperculum”, in Charlton T. Lewis and Charles Short (1879) A Latin Dictionary, Oxford: Clarendon Press
cooperculum in Gaffiot, Félix (1934) Dictionnaire illustré latin-français, Hachette.
cooperculum in Ramminger, Johann (2016 July 16 (last accessed)) Neulateinische Wortliste: Ein Wörterbuch des Lateinischen von Petrarca bis 1700‎^[1], pre-publication website, 2005-2016