prīscē

Meaning

1. in an old-fashioned manner, in the style of the ancients
   Sed tamen ex ipsa quaeram prius utrum me secum severe et graviter et prisce agere malit an remisse et leniter et urbane.But still, first I'll ask from her whether she'd prefer me to act sternly and harshly and in an old-fashioned way towards her, or [to act] calmly and gently and urbanely.56 BCE, Cicero, Pro Caelio 33

Origins

From prīscus (“ancient, former, old-fashioned”).