This is the 5575th most frequent Japanese word.
ぎん
Silver.
In this sentence, 'ぎん' (gin) is used to mean 'silver', describing the color and radiance of the stars.
空にはぎんの星が輝いています。
Silver stars are sparkling in the sky.
Here, 'ぎん' (gin) is part of the word '銀行' (ginkou), which means 'bank', indicating a financial institution.
私は銀行で働いています。
I work at a bank.
The term 'ぎん' (gin) represents 'silver', describing the luminous quality of the moonlight.