Apparently a primary word; a "son" (sometimes of animals), used very widely of immediate, remote or figurative kinship: - child, foal, son.
This indicates a different level of maturity when compared to Teknon. Hihos indicats maturity. Teknon indicates immaturity.
paidion/a childling/ΠαιδιÌον/pahee-dee'-on Neuter diminutive of G3816; a childling (of either sex), that is, (properly) an infant, or (by extension) a half grown boy or girl; figuratively an immature Christian: - (little, young) child, damsel.