This is the 9013th most frequent Japanese word.
洸
"洸" refers to the shimmering or gleaming effect of water, often associated with light reflecting on its surface.
'洸' is used here as a proper noun, representing a person's name.
洸は学校の図書館で本を読んでいます。
Hikaru is reading a book in the school library.
'洸' is used here metaphorically to describe shimmering or sparkling lights as reflected in the water.
夏祭りの夜、川底から洸が湧き上がるようだった。
On the night of the summer festival, it seemed as if lights were welling up from the riverbed.
'洸々' represents a descriptive adverb derived from '洸', indicating brightness or shimmering.