いろいろ
various, in various ways
A colour, and the mark saying do that one again, so colours upon colours. The same row いろ as 色, twice over, and he intends to cover all of it: いろいろ.
々 means repeat the character before it, so this is 色色. It comes back six more times in this deck, in 人々, 我々, 日々, 少々, 元々 and 様々.
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Emaki is not affiliated with, or endorsed by, Kaishi 1.5k or its authors. The word, reading and meaning come from the Kaishi 1.5k deck, used with their permission. The mnemonic, the note and the kanji breakdown are original work, published under CC BY-SA 4.0.