Where does “infancy” come from?

Infancy derives from Latin infantia, formed from the prefix in- meaning "not" and the root bʰeh₂- meaning "to speak," ultimately tracing through Proto-Indo-European elements ne and bʰeh₂-.

infancy (English): The earliest period of childhood; The state of...

Definitions

  1. The earliest period of childhood; The state of...

Ancestry of “infancy”, step by step

infancy traces back through two separate lines of ancestry.

via English infant

StepLanguageWordMeaning
1EnglishinfantA very young human being, from birth to somewhere...
2Middle Englishinfauntbaby, infant
3Latinīnfāntem
4Latinīnfānsspeechless, inarticulate
5Latinīn-un-, non-, not
6Latinînin, at, on, upon, from (space)
7Latinenlookǃ beholdǃ; reallyǃ?; come onǃ
8Proto-Italicenin
9Proto-Indo-Europeanh₁énin

via Middle English infancie

StepLanguageWordMeaning
1Middle Englishinfancieinfancy
2Old Frenchenfancechildhood
3Latinīnfāntiainability to speak, muteness, speechlessness; want of eloquence, ineloquence
Every word from Proto-Indo-European h₁én
infancy — Etymology, Origin & Word History | Etymology Explorer