a skipjack tuna, Katsuwonus pelamis / Short for 鰹木 (katsuogi): a log on the roof of a shrine set perpendicular to the ridgepole / Short for 鰹節 (katsuobushi): smoked and dried skipjack tuna

入る: enter; join

未練: unwilling to give up or leave

(obsolete) a gelatin made from boiled sheep and used in soups / yokan, a thick jellied dessert made of adzuki (red bean paste), agar, and sugar