This is the 8042nd most frequent German word.
häutchen
A thin membrane or skin.
Häutchen in this sentence refers to the thin, protective skin layer of something, specifically the outer membrane of an onion.
Das Häutchen über der Zwiebel schützt sie vor dem Austrocknen.
The thin layer on the onion protects it from drying out.
Here, Häutchen depicts a small, delicate skin layer that has developed, possibly as a result of healing or friction.
Sie entfernte mit einer Pinzette vorsichtig das Häutchen auf ihrem Finger.
She carefully removed the thin skin on her finger with tweezers.
In this usage, Häutchen stands for a natural, delicate covering layer found on the seeds of the fruit.