敞
ショウ, たか.い, ほが.らか, ひろ.い, たかし
high and flat, broad, spacious
JLPT0 G13 S0 F5000
As per
尚
# (rise → raise) +
攵
action indicator → raise *high and wide* → *spacious*; *broad*.
[Full Kanji Etymology List]