confessional (adj.) Look up confessional at Dictionary.com
"pertaining to confession," mid-15c., from Medieval Latin confessionalis (see confessional (n.)).
confessional (n.) Look up confessional at Dictionary.com
"place where a priest sits to hear confession," 1727, from French confessional, from Medieval Latin confessionale, noun use of neuter of confessionalis (adj.), from confiteri (see confess).