lection (n.) Look up lection at Dictionary.com
1530s, "a reading," from Old French lection, from Latin lectionem (nominative lectio) "a reading," noun of action from past participle stem of legere "to read" (see lecture (n.)). Meaning "a sacred writing to be read in a church" is from c. 1600; sense of "a particular reading of a text from a certain copy or edition" is from 1650s. Related: Lectionary (adj.).