This is the 7998th most frequent Turkish word.
kuvvetlerinden
"Of/from their forces/powers."
In this sentence, 'kuvvetlerinden' refers to 'one of the forces' and indicates possession by the army.
Ordu, kuvvetlerinden biriyle tatbikat düzenliyor.
The army is conducting an exercise with one of its forces.
Here, 'kuvvetlerinden' refers to 'from the strengths' and highlights the source of the successes.
Bilim yolundaki başarılar, insanın zekâ kuvvetlerinden kaynaklanır.
Successes in science stem from the strengths of human intelligence.
In this context, 'kuvvetlerinden' implies 'from the forces,' indicating a source of threat.