ハン

clan, enclosure

JLPT1 G7 S18 F1896

As per # (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]