Where does “Marceau” come from?

Marceau comes from French marceau, a word of unknown origin and meaning.

Ancestry of “Marceau”, step by step

Step	Language	Word	Meaning
1	French	marceau	—
2	English	Marcel	—
3	French	Marcel	—
4	Latin	Marcellus	—
5	Latin	Mārcus	—
6	Latin	Martīnus	—
7	Latin	-īnus	—
8	Proto-Italic	-īnos	of/belonging to
9	Proto-Indo-European	-iHnos	Creates adjectives of materials
10	Proto-Indo-European	-no-	adjectival suffix

Marceau — Etymology, Origin & Word History | Etymology Explorer