僥
ギョウ, キョウ

luck, seek, desire

JLPT0 G13 S0 F5000

As per 堯# (arch/rise high) + 人 person → (figuratively/actually) stand on tiptoe in expectation (compare 企 and 跂) → *good fortune* (← have one's hopes/expectations met) → *expect too much*.

[Full Kanji Etymology List]