cupola
UK[ˈkjuːpələ]US[ˈkjuːpələ]
n
a small dome, especially one crowning a roof or turret.
n
a protective cylindrical furnace roof in metallurgy.
Morpheme Breakdown
cup
ola
cup
vault
ola
diminutive suffix
Etymology
the word cupola traces its lineage to latin, entering english via italian. its core component, 'cupa', originally denoted a cask or tub in latin, a meaning which evolved to signify a rounded, vaulted shape. the diminutive suffix '-ola' was appended to form 'cupola', literally meaning 'a small vault'. this etymological logic is directly reflected in the modern architectural term, where a cupola is a small, dome-like structure atop a larger building, preserving the sense of a rounded form in miniature.
Analysis
Structure: cup (vault) + ola (diminutive suffix)
cup is from latin 'cupa' meaning cask, tub, or vault. ola is a latin diminutive suffix indicating smallness.
Examples
the historic courthouse is easily identified by the white cupola on its roof.
the architect designed a glass cupola to allow natural light into the central hall.
molten metal is visible through an opening in the furnace's cupola.