IPA: /ˈfɪlmɪŋ/
KK: /ˈfɪlmɪŋ/
The process of recording moving images, typically for movies or television.
The filming of the new movie took place in several different locations.
The action of recording moving images, typically for movies or television.
They are filming a new documentary about wildlife.
Past: filmed
Past Participle: filmed
Filming is derived from "film" (from Old English *filme*, meaning a thin layer or membrane) and the suffix "-ing" (indicating the action or process of). The word "filming" refers to the process of capturing images on film or video.
Think of a 'thin layer' ('film') being captured in the process ('-ing') — that's what filming means.