Latin

Adverb

quamdiū ‎(not comparable)

1. how long
   • Seneca Minor, Epistulae Morales ad Lucilium, Epistle CI

     Quam bene vivas, non quamdiu.

     How well you live, not how long.

2. as long as, until, during

References

• quamdiu in Charlton T. Lewis and Charles Short (1879) A Latin Dictionary, Oxford: Clarendon Press
• QUAMDIU in Charles du Fresne du Cange’s Glossarium Mediæ et Infimæ Latinitatis (augmented edition, 1883–1887)
• Félix Gaffiot (1934), “quamdiu”, in Dictionnaire Illustré Latin-Français, Paris: Hachette.