wel-þungen, adj: well-thriven, able, good, excellent, honourable. (“well-thoong-en”)
Today is the wel-þungen feast of St Bartholomew. Bartholomew was one of Jesus’s 12 apostles and has also been identified as Nathaniel (or Nathanael).
From Kazutomo Karasawa, The Old English Metrical Calendar (Menologium) (Cambridge: D. S. Brewer, 2015):
Karasawa says, “The feast [of St Bartholomew] is celebrated on 24 August, but in Anglo-Saxon England, the majority of people seem to have celebrated it on the 25th as the Menologium poet says.” (p. 115)
Þænne ealling byð / ymb tyn niht ϸæs tiid geweorðad / Bartholomeus in Brytene her, / wyrd welϸungen. (Menologium, lines 153b-56a)
Then always after ten nights, the feast of Bartholomew, the honourable event, is celebrated here in Britain. (trans. by K. Karasawa)