IPA: /ˈfɪlmˌmeɪkər/
KK: /ˈfɪlmˌmeɪkər/
A person who creates movies, either by directing or producing them.
The filmmaker won an award for her latest documentary.
Filmmaker is formed from "film" (from Old English *filme*, meaning a thin skin or membrane) and "maker" (from Old English *macian*, meaning to make or create). The word "filmmaker" refers to a person who creates or produces films.
Think of someone who 'makes' ('maker') a 'thin layer' or 'skin' ('film') of moving images — that's what a filmmaker does.