ichidan verb, transitive verb
accumulate drawings; build up a stock of unpublished artwork
Used for artists who create and store many drawings or paintings without publishing or showing them, often for future use.
漫画家は締切前にネタを描き溜める。
The manga artist accumulates material before the deadline.
彼女はSNSに投稿するため
She is building up a stock of illustrations to post on social media.