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).
confessional (adj.) Look up confessional at Dictionary.com
"pertaining to confession," mid-15c., from Medieval Latin confessionalis (see confessional (n.)).