an adamant (mythical rock thought to be of impenetrable hardness) / (by extension) something extremely solid and indestructible

root (of a word)

喉: counter for fish / 献:

事: thing / 坤: / 金: one of the five classical elements in traditional Chinese philosophy and medicine: see the "Wu Xing" entry on Wikipedia / 根: perseverance, patience; (arithmetic) root

今: this

今: a surname / 鯀: Gun (Chinese)

(Internet slang) Short for こんにちは. / (Internet slang) Short for こんばんは.

Synonym of 一層 (issō) or 一層 (isso)

earnest, sincere

mixture, blend