ETYMOLOGY
from agnaticus (agnatic – related through the male line) [from Latin agnatus (a relation by the father’s side) + -ic] + ‑al
EXAMPLE
“… There are but two waies by which hereditary or successive Monarchies do descend; the one is Lineal descent, the other Lineal, Agnatical, Cognatical or Collateral; or as we say, the one descends to the heire general, the other to the heire male. This latter by vertue of a Salique law takes place only in France; we will therefore see what may be said and objected against the former, and how the latter hath been observed in France, and of what Authority it is…”
From: Justice vindicated from the false fucus put upon it,
by Thomas White gent. Mr. Thomas Hobbs, and Hugo Grotius:
As also elements of power & subjection; wherein is demonstrated the cause of all humane Christian, and legal society
‘Of Inheritance and Succession’
By Roger Coke, 1660
Lexicophilia 