Portal
late Middle English: from Old French, from medieval Latin portale, neuter (used as a noun) of portalis ‘like a gate’, from Latin porta ‘door, gate’.
wiktionary
From Middle English portal, porttol, from Old French portal and Medieval Latin portāle, from porta.
etymonline
portal (n.)
late 14c., "gate, gateway," especially "the entire architectural treatment of the entrance and its surroundings of a cathedral or other grand building," from Old French portal "gate" (Modern French portail) and directly from Medieval Latin portale "city gate, porch," from neuter of portalis (adj.) "of a gate," from Latin porta "gate," from PIE *prta-, suffixed form of PIE root *per- (2) "to lead, pass over." The medical sense of "place where a drug, etc., enters or leaves the system" is by 1910.
