"Historical kana usage", a prescriptive method of using kana to write Japanese. Devised in the Edo period by Keichū (契沖) and taught in schools until 1946, it aims to be etymologically faithful and reflects earlier stages of the language (Heian period and earlier).

貂: a Japanese marten

(informal) ten

nature / spontaneity

stem or continuative form of 知る (shiru) [godan]

Alternative spelling of 物知り: a person with broad knowledge, a knowledgeable person

a target, a mark, a bullseye / an objective, an object (of doing something)

as far as ... is concerned; in terms of ...

natural / spontaneous

naturally / spontaneously / rarely / coincidentally