Trithing is a 8 letter English word. It's valid Scrabble word worth 12 points. It's valid Words with friends word worth 13 points.
You can make 94 anagrams from letters in trithing (ghiinrtt).
1250-1300; Middle English, variant of thrithing Scandinavian; see riding2
The "trithing" was a Danish institution, so also was the wapentake.