Genre: 
Full text: 
Quando venit ergo sacri plenitudo temporis missus est ab arce patris natus orbis conditor atque ventre virginali carne amictus prodiit
Fulltext source: 
Hymni Breviarii Romani 1629
Notes: 
This verse is the version found in Urban VIII's 1629 Hymnary, with texts revised according to classical Latin principles.
CAO sources: 
H FSL