infantry

Meaning

Noun

• Soldiers who fight on foot (on land), as opposed to cavalry and other mounted units, regardless of external transport (e.g. airborne).
• The part of an army consisting of infantry soldiers, especially opposed to mounted and technical troops
• A regiment of infantry

Origin

• From Middle French infanterie, from older Italian, possibly from Spanish infantería, from infante, originally "a youth", either way from Latin īnfāns; see there for more.