Geoffrey Chaucer,
Chaucer's Works (ed. Skeat) Vol…
(1900)
“ Caecilia = caecis uia, i. e. the wey to blinde, a path for the blind. Reason:—'Fuit enim caecis uia per exempli informationem.' See ll. 92, 93. (3) Caecilia is from caelum and lya. 'Fuit enim ... coelum (sic) per iugem contemplationem, lya per assiduam operationem.' Here lya is the same as Lia, which is the Latin spelling of Leah in the Book of Genesis. It was usual to consider Leah as the type of activity, or the Active Life, and Rachel as the type of the Contemplative Life. See Hampole's Prose Treatises, ed. Perry (E. E. T. S.) , p. ”
