The kanji 必必 fundamentally conveys the idea of "certainly," "inevitably," "must," or "necessarily." It implies something that is unavoidable, essential, or that something will happen without fail. It often denotes a sense of urgency or strong obligation.

・On-yomi (音読み): ・ヒツ (hitsu) ・Kun-yomi (訓読み): ・かなら(ず) (kanara(zu)) - always, without fail

⚫︎必ず Translation: Always; without fail; certainly ⚫︎必要 Translation: Necessary; essential; requirement ⚫︎必死 Translation: Desperate; frantic; inevitable death

The kanji 必必 is a pictophonetic compound. The upper part represents a person's chest and heart 心臓. The lower part is related to a brush stroke, or a writing brush, indicating a writing gesture. The combination suggests the firm resolve of something written or engraved on one's heart, thus making it certain and unavoidable.