Where does “infantry” come from?

Infantry comes from Spanish infantería, derived from Latin infans meaning "unable to speak" or "child," from in- "not" and fans "speaking," ultimately developing to denote foot soldiers.

infantry (English): Soldiers who fight on foot (on land), as opposed to cavalry and other mounted units, regardless of external transport (e.g. airborne)

Definitions

  1. Soldiers who fight on foot (on land), as opposed to cavalry and other mounted units, regardless of external transport (e.g. airborne)

Ancestry of “infantry”, step by step

StepLanguageWordMeaning
1Middle Frenchinfanterie—
2Spanishinfanteríainfantry
3SpanishInfanteinfant
4Old Spanishifante—
5Latinīnfāntem—
6Latinīnfānsspeechless, inarticulate
7Latinīn-un-, non-, not
8Latinînin, at, on, upon, from (space)
9Latinenlookǃ beholdǃ; reallyǃ?; come onǃ
10Proto-Italicenin
11Proto-Indo-Europeanh₁énin

Words derived from “infantry”

Every word from Proto-Indo-European h₁én →Every word from Latin īn- →Every word from Proto-Italic en →