The rare daily word game sweeping the globe. Find what's hidden in plain sight.
PSALTERIUM
Definition of PSALTERIUM
noun
An omasum.
Wiktionary · CC BY-SA
Where it comes from
Learned borrowing from Latin psalterium, from Ancient Greek ψαλτήριον (psaltḗrion). Doublet of psalter, psalterion, and psaltery.
Etymology via Wiktionary (CC BY-SA).
Word DNA
Line of descent
- Ancient Greek
- Latin
- English
2 recorded generations before English.
Deepest traced root
2nd
of 58 source languages in OUTLIER
12.6%
of traced words share this origin (3,608)
branch · 12.6% of traced words
How it is built
OUTLIER scores every word on how unusual it is, and that number is not published. Working it out at the board is the game.
PSALTERIUM in OUTLIER
Players have found it on 16 boards so far. 18 players have found it across Outlier's history.
It first turned up on Day 42, 1 July 2026. The most recent board was Day 142, 9 October 2026. It was on the latest finished board.
First ever to find it
on Day 42, 1 July 2026 - before anyone else in Outlier's history. See the Pioneers
Built from these letters
PSALTERIUM starts with P and ends with M. Sorted, its letters read AEILMPRSTU - the shape to hunt for when the grid is scrambled. No letter is used twice, which makes it an isogram.
Words that start PSALTE
Its neighbours in the OUTLIER dictionary - shortest first.
Also seen on Day 42
Could you have found PSALTERIUM?
OUTLIER is a daily word game. One grid, the same grid for everybody, and the words nobody else spots are the ones that pay. This word was on Day 42 - and most players walked straight past it.
Play today's OUTLIER