This is the 1828th most frequent German word.
quellen
"Quellen" means "to gush, well up, swell, or rise."
In this sentence, 'quellen' is used as a verb meaning 'to gush' or 'to flow out', describing the movement of water.
Das Wasser beginnt aus der Quelle zu quellen.
The water starts to gush from the spring.
Here, 'quellen' is used as a verb meaning 'to swell' or 'to expand', indicating the change in volume of the lentils.
Beim Kochen quellen die Linsen auf.
The lentils swell while cooking.
In this sentence, 'quellen' is used metaphorically as a verb meaning 'to overflow', expressing the abundance of content in the books.