basement

an oath, pledge / (Shinto, Buddhism) vow that the Buddha pledged to save sentient beings

nearby place

basement, cellar (floor below ground level)

Chinese fountaingrass (Pennisetum alopecuroides)

(slang) one's victory is certain

背中: one's back

中: inside / 中: middle / 中: among (a group or mass) / 中: during (time) / 仲: relationship, terms

仲: a surname

Ka-ending dialect form of ない (nai)