after reading; after finishing a book
Used as a noun or adverb to refer to the time or state after reading something, especially a book. Often appears in compound phrases like 読後感 (impressions after reading).
Please tell me your impressions after reading.
読後、しばらく余韻に浸った。
After finishing the book, I was lost in its afterglow for a while.
impressions after reading; thoughts on a book
Compound of 読 (read) and 後 (after). The reading どくご is the on'yomi of both characters.