A lexeme is a unit of linguistic analysis. It belongs to a particular syntactic category and has a particular meaning ( semantic value). Lexemes may be simple words, phrasal and compound words and shortened forms. A lexicon consists of lexemes.
... are
confined to several passages, viz., the merit of good
works and transubstantiation (iv. 2), purgatory
(iv. 9), and the worship of saints (i. 13, ii. 9, iii ...