段
ダン, タン
grade, steps, stairs
JLPT3 G6 S9 F479
The left-hand element# is drawn from the top part of 耑 (neatly aligned). 段 adds 殳 action indicator → descend a (neatly aligned) staircase → *steps*; *stairs*; *stage* → *period*; *demarcation*; *rank*; *ranking*. Also, *method* (← descend steps in order) and *thing/matter* (← demarcation).
[Full Kanji Etymology List]