"happy the stalk, holy the root, and blessed its fruit"

Sankt Gallen, Stiftsbibliothek, 391
(late 10th cent.), fol. 114

 "strips beata, radix sancta et benedictus fructus eius."

     Or "her fruit."  "Quando nata est Virgo sacratissima," Antiphon to the Canticle (Dan 3:56-88), Feast of the Nativity of the Blessed Virgin Mary, Liturgia horarum.