The word is a Latinism, used in isolation and rather incongruously in this mid-fifteenth-century Anglo-Norman citation.
conj.
1than:
(
1425
)
si le pleintif voudra prier l'assise en droit dez damagez vers tretoutz si auter soit tenaunt quam celuy que conust le ouster, vel quam pleda le mater de recorde
i 25.21