The New York Stock Exchange started out as a coffee house.
principial (comparative more principial, superlative most principial)
(obsolete) elementary
Source: Wiktionary
Prin*cip"i*al, a.
Definition: Elementary. [Obs.] Bacon.
Source: Webster’s Unabridged Dictionary 1913 Edition
28 June 2025
(adjective) having an allergy or peculiar or excessive susceptibility (especially to a specific factor); “allergic children”; “hypersensitive to pollen”
The New York Stock Exchange started out as a coffee house.