#etymologyUnmoderated tagAll postsTrending CommunitiesSplinterlandsHIVE CN 中文社区WorldmappinSnapsBlack And WhiteActifitScrobble.lifePhotography LoversGEMSHive LearnersLiketuTown SquareExplore Communities...#etymologyTrendingHotNewPayoutsMutedlearningpages (60)in Proof of Brain • yesterdayThe Most Difficult HiveWords of the Past Seven DaysA review of the past week's HiveWord puzzles, including the words' difficulty, solution rates, attempts and obscurity.