From Wiktionary, the free dictionary
Literally, “money is the sinew of war.”
- IPA(key): /l‿aʁ.ʒɑ̃ ɛ l(ə) nɛʁ də la ɡɛʁ/
l’argent est le nerf de la guerre
- money is crucial to wage a war, money is key when waging a war, money is the fuel of war
- (by extension) money is of the essence
