noun:

• Enkianthus perulatus (species of flowering plant in the Ericaceae family)

noun:

• ten thusnesses (in Tendai) - Buddhism term

noun:

• return value (from a function, in programming)

noun:

• parazoan (member of an ancestral subkingdom of animals whose only surviving members are the sponges)

noun:

• short love song (popular in late Edo period)

expression:

• (with) great vigour (from the way splitting bamboo goes all down the stick); irresistible force - idiom

noun:

• (the extent of) one's vocabulary

noun:

• Pseudocarcharias (sole genus of the family Pseudocarchariidae containing one species of crocodile shark)

noun:

• Achernar (star in the constellation Eridanus); Alpha Eridani - Astronomy term

expression / noun:

• (lesson in) tough love - idiom

expression / noun:

• official history (e.g. a state-sanctioned account of history subject to revision when the government changes)

noun:

• person who sees someone else off (e.g. at the airport) ➜ 迎え人

noun:

• deep autumn (when the autumn has reached its climax)

noun:

• Fomalhaut (star in the constellation Piscis Austrinus); Alpha Piscis Austrini - Astronomy term

noun / ~の noun:

• being bent (with age); being stooped over

noun:

• Chinese "stomach" constellation (one of the 28 mansions) - Astronomy term ➜ 胃

expression / ichidan verb:

• to check (in chess)
• to threaten (somebody's position, etc.); to close in (on somebody) - idiom

noun:

• original passage (in document)

noun:

• explanatory notes (at the start of a book); introductory remarks; usage guide (e.g. of a dictionary)
• legend (on maps, drawings, etc.) ➜ キャプション

noun:

• garden bonfire (esp. one held on the imperial grounds) - archaism

noun:

• Mt Sumeru (in Buddhism - said to be the highest mountain rising in the center of the world) (centre)

noun:

• self-motion (esp. in the Hegelian dialectic, dialectical materialism, etc.); self-movement

noun:

• super spreader (carrier of a viral disease who spreads the virus to a large number of other people)

noun:

• Tsushima marten (Martes melampus tsuensis, a subspecies of the Japanese marten) ➜ 貂

noun:

• Imperial New Year's Lectures (ceremony in which the emperor and members of the imperial family Their Majesties listen to expert lectures in the fields of human, social and natural sciences)