noun, adverb
frame by frame; every frame
Used when examining or describing something one frame at a time, often in film, animation, or video contexts. Can function as a noun or adverbially.
アニメーターは一齣一齣を丁寧に描いた。
The animator carefully drew each and every frame.
映像を一齣一齣チェックして、ミスがないか確認した。
I checked the footage frame by frame to make sure there were no mistakes.