principialis
Could not find principiale in Logeion dictionaries.
principiale Adjective: neuter nominative singular, Adjective: neuter accusative singular, Adjective: neuter vocative singular of principialis
princĭpĭālis, e, adj. [principium],
- that is from the beginning, original (poet.): tempus, Lucr. 5, 246: levor, id. 2, 423.
prīncipiālis, e (principium), anfänglich, ursprünglich, Lucr. 2, 423 u.a.
prīncĭpĭālis, (15) e, primitif, originaire : Lucr. 2, 423 ; 5, 246.