noun, noun which may take the genitive case particle 'no'
Refers to a color between blue and green, often used for natural objects like the sea, plants, or gemstones. Can function as a noun or as a no-adjective.
The blue-green of this sea is very beautiful.
She wore a turquoise dress.
spirogyra; pond scum algae
Archaic term for spirogyra or similar green algae that form floating mats on ponds. Modern Japanese usually uses 青味泥 (あおみどろ) or simply 藻 (も).
See also: アオミドロ
Old documents record that pond scum algae was used as fertilizer for rice paddies.
Compound of 青 (あお, 'blue') and 緑 (みどり, 'green'). The archaic algae sense likely arose from the blue-green appearance of pond scum.