The Collaborative International Dictionary
Archical
Archical \Ar"chi*cal\, a. [Gr. 'archiko`s able to govern, fr.
'archh` beginning, government. See Arch-, pref.]
Chief; primary; primordial. [Obs.]
--Cudworth.
Wiktionary
archical
a. (context obsolete English) chief; primary; primordial