The surname "Marcinkowski" is of Polish origin and can be spelled phonetically as /mar-tsiŋ-kawf-skee/. The first syllable "mar" is pronounced as "mahr" with the "a" sound similar to "car". The "tsiŋ" sound is spelled with "c-i-n-g" and the "kawf" sound sounds like "kahf" with the "a" sound similar to "father". The final syllable is pronounced as "skee". The spelling of "Marcinkowski" follows the Polish language's phonetic rules and reflects the pronunciation of the name.
The name "Marcinkowski" is of Polish origin. It is a surname derived from the given name "Marcin", which is the Polish version of the name Martin. The suffix "-owski" in Polish surnames is a common suffix indicating "belonging to" or "descendant of", therefore "Marcinkowski" signifies "belonging to or descendant of Marcin/Martin". The name Marcin itself is derived from the Latin name "Martinus", meaning "of Mars" or "warlike". Overall, the etymology suggests that "Marcinkowski" is a patronymic surname indicating the descent or affiliation with someone named Marcin/Martin.