D defs.my
Entry 4 senses Webster, 1913

Filiation

· Fil·i·a·tion · IPA
01 n. The relationship of a son or child to a parent, esp. to a father.
  1. 1.
    The relationship of a son or child to a parent, esp. to a father.
    “The relation of paternity and filiation.” Sir M. Hale.
  2. 2.
    The assignment of a bastard child to some one as its father; affiliation.(Law)
  3. 3.
    Descent from, or as if from, a parent; relationship like that of a son; as, to determine the filiation of a language.
  4. 4.
    One that is derived from a parent or source; an offshoot; as, the filiations are from a common stock.