塗る
ぬる · nuru · JLPT N4 · verb-godan
to paint
🖌️ sounds like new-roo: a NEW coat of paint goes on when you nuru
Nuru starts like 'new' — every wall you paint or plaster gets a new coat. The kanji 塗 holds 氵(water) and 土 (earth): wet earth is plaster, the original thing you smear on a wall.