acélkék
Acélkék is a Hungarian surname. It is derived from the Hungarian words "acél" meaning steel and "kék" meaning blue. The surname therefore literally translates to "steel blue". It is not a common surname, and its origins are likely tied to a specific family or region. The meaning suggests a possible connection to a physical characteristic, a trade, or even a place associated with these words. Like many surnames, it may have evolved over time due to migration, linguistic shifts, or the adoption of new identifiers. Research into genealogical records and historical documents would be necessary to trace the specific history and diffusion of the acélkék surname.