a root / the source; the root / nature; the character one has by birth

root / base, foundation

perseverance, patience / (arithmetic) root

(mathematics) root number

basis (of a theory), grounds

to be grounded on

(idiomatic) take root, strike root

a non-migratory fish that lives among the roots of seaweed or coral / alternative for 鮎並 (ainame): a greenling (kind of fish)

a non-migratory fish that lives among the roots of seaweed or coral

(slang) monster cock