藩
ハン
clan, enclosure
JLPT1 G7 S18 F1896
As per 潘# (spread) + 艸 grass/plant → rough-woven fence created by spreading branches → *feudal lord* (← protection offered by a lord ← protection offered by a fence) → *fief* → *han* (feudal clan or domain in the Edo period).
[Full Kanji Etymology List]