Baby Makes Three
From Online Etymology Dictionary: infant (n.) late 14c., “child during earliest period of life” (sometimes extended to age 7 and sometimes including a fetus), from L. infantem (nom. infans) “young child, babe in arms,” noun use of adjective meaning “not able to speak,” from in- ”not, opposite of” (see in- (1)) + fans, prp. of fari ”speak” (see fame). As an adjective, 1580s, from the noun. [...]
