This rare kanji has no clear standalone meaning. Treat its meaning as uncertain.
The exact historical development of 惥 is uncertain. It visually contains 臾 and 心, but the original component relationships are unclear.
The top 臾 suggests a bundle or something held, and the bottom 心 is heart. Picture a heart wrapped in a bundle, but the meaning remains unclear.
For ヨウ, imagine a yo-yo wrapped around the heart: yo-yo -> ヨウ, but the meaning is still uncertain.