[ tren-tl ]
/ ˈtrɛn tl /

noun Roman Catholic Church.

a series of 30 Requiems celebrated one each day for 30 consecutive days.

Origin of trental

1300–50; Middle English < Medieval Latin trentāle, equivalent to Vulgar Latin *trent(a) (for Latin trīgintā thirty) + Latin -āle -al2. Cf. Old French trentel Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019