This is the 190th most frequent German word.
grünen
"Grünen" means "to green" or "to become green."
The word 'grünen' is used as an adjective in the plural form, describing the noun 'Blätter' (leaves).
Ich mag gern die grünen Blätter im Frühling.
I really like the green leaves in spring.
In this sentence, 'grünen' is used as a verb in the infinitive form to express becoming green or thriving.
Nach dem Regen begann die Landschaft wieder zu grünen.
After the rain, the landscape began to thrive in green again.
The word 'grünen' here is used as an adjective describing the plural noun 'Ziele' (goals), referring to ecological or environmentally friendly objectives.