リク, ロク, おか, くが, たち, みち, む, むつ

land, six

JLPT2 G4 S11 F736

was originally (mound that stretches at length) doubled → a stretch of land. 陸 is # + 阜 piled earth → *land* winding far, wide and high → *plateau*; *winding*; *jump up*.

[Full Kanji Etymology List]