Tavan
Tavan is a term that appears in several languages with different meanings. In Turkish, tavan primarily denotes the ceiling of a room—the interior overhead surface of a building. It is a common architectural and construction term and is frequently used in real estate, interior design, and building plans. In addition to its literal sense, tavan can be used metaphorically to signal an upper bound or limit in discussions of quantities, prices, or other measurements.
In Persian, transliterated as tavân (توان), the root means ability, power, or capability. It is a core
Because tavan occurs in different languages, it can appear in multilingual texts with distinct interpretations. It