Two Weeks at the Front in Ukraine
newyorker.com
newyorker.com
No, it doesn't, do they both words do (eventually) trace back to the same Latin root.
> Five hundred years later, infantrymen remain the most disposable of troops. But in Ukraine they are also the most essential
Infantry being essential describes every war.
So it does. "Derives" does not imply a single step.
1570s, from French infantrie, infanterie (16c.), from older Italian or Spanish infanteria "foot soldiers, force composed of those too inexperienced or low in rank to be cavalry," a collective noun from infante "foot soldier," originally "a youth," from Latin infantem (see infant). [1]