イン, エン, エツ, むせ.ぶ, むせ.る, のど, の.む

choked, smothered, stuffy

JLPT0 G7 S9 F5000

As per # (superimpose) + mouth → food superimposed over the pharynx in swallowing → *swallow* (compare ) → *throat*. Also, *choke*.

[Full Kanji Etymology List]