anteportico
Etymology
From ante- + portico.
anteportico means an outer porch or vestibule in front of the main portico. Lexicurio rates it Sui generis — a strength score of 88 out of 100.
noun
- An outer porch or vestibule in front of the main portico.“The porch or anteportico, a, the vestibulum, propylon, or prothyron, also termed the first entrance, was sometimes, as still is the case in that of the church of S. Clemente, prepared for shelter by curtains.”