This rare kanji has no clear standalone meaning. Treat its meaning as uncertain.
誷 combines 言 (speech) with 罔, which likely contributes the sound. The exact historical development is uncertain, and the character is rare.
With 言 (speech) on the left and 罔 on the right, 誷 might suggest words that entangle or deceive, but its meaning is not well established.
For ボウ, imagine a bow (ボウ) made of twisted words: the bow shape cues ボウ while the speech radical hints at verbal entanglement.