ベン, ヘン, わきま.える, わ.ける, はなびら, あらそ.う, べ
valve, petal, braid, speech, dialect, discrimination, dispose of, distinguish
JLPT1 G5 S5 F619
The relevant seal inscription form combines 廾 pair of hands with a type of headgear → cap or crown spread over the head (compare 冠). 弁 now serves as a simplified form of distinct characters with the element 辡# , which is 辛 needle/cutting tool doubled → split, the divided objects spreading but remaining in close proximity. *Discriminate* and *deal with* are via 辨. *Speech*, *fluency* and *dialect* are via 辯. *Petal* and *valve* are via 瓣, and *braid* is via 辮.
[Full Kanji Etymology List]