ほんき
seriousness
The root a thing grows from with the steam rising off a person, so what is actually down there underneath all of it. Hone ほん and keen き, both. He is not joking this time: ほんき.
本気で is seriously, and 本気? on its own is are you serious.
This is one of 1,500 words in Emaki, a free spaced repetition trainer with a written mnemonic on every card.
Study 本気 in EmakiFree, no account needed. Your progress stays in your browser.
Emaki is not affiliated with, or endorsed by, Kaishi 1.5k or its authors. The word, reading and meaning come from the Kaishi 1.5k deck, used with their permission. The mnemonic, the note and the kanji breakdown are original work, published under CC BY-SA 4.0.