This is the 5191st most frequent Swedish word.
deri
The Swedish word "deri" does not exist as a standalone term in standard Swedish; it may be a typo or borrowed from another language.
In this sentence, 'deri' is used as a formal archaic term meaning 'therein,' indicating where the problem was present.
Hon tog sin mobil och tappade den från bordet, och deri låg problemet.
She took her phone and dropped it from the table, and therein lay the problem.
Here, 'deri' signifies 'therein,' referring to the solution where success was perceived, emphasizing the location or context.
Jag fann lösningen och deri såg jag framgång.
I found the solution, and therein I saw success.
In this context, 'däri,' a variant of 'deri,' means 'therein,' pointing to the book as the container of knowledge.