Some new words for me I found over the past few years editing on Wiktionary:

retromingency: the characteristic of urinating backwards, present in certain animals

netlabel: a record label that distributes most of its music online through digital audio formats

biological immortality: the phenomenon in which some organisms such as hydra or jellyfish do not age

Never heard of sumptuary (and the Chinese Forums input box doesn\'t recognize it) but I guessed it from sumptuous which is not common but often co-located with \"feast\". Very much aligned with the new rules on banquets.

Weregild sounds like, and is I guess, a german loan word.