喬
キョウ, たか.い, たかし, たか
high, boasting
JLPT1 G13 S0 F1962
As per
夭
# (slender and limber) + an abbreviated form of 高 tall/high → tall, limber youth → *tall and limber* → *superior*; *arrogant*; *put on airs*.
[Full Kanji Etymology List]