It's used in place of the letter "o", so not purely a diagram but it feels like ...

		squeaky-clean on Sept 19, 2022 \| parent \| context \| favorite \| on: Unicode character “ꙮ” (U+A66E) is being updated It's used in place of the letter "o", so not purely a diagram but it feels like the role of a font to me, not a dedicated character.