The rare daily word game sweeping the globe. Find what's hidden in plain sight.
NEPHRON
Definition of NEPHRON
noun
The basic structural and functional unit of the kidney, which filters the blood in order to regulate chemical concentrations, and thereby produces urine.
Wiktionary · CC BY-SA
Where it comes from
From Ancient Greek νεφρός (nephrós, “kidney”) + -on.
Etymology via Wiktionary (CC BY-SA).
Word DNA
Line of descent
- Ancient Greek
- English
One recorded step before English.
Deepest traced root
2nd
of 59 source languages in OUTLIER
12.7%
of traced words share this origin (3,376)
branch · 12.7% of traced words
How it is built
Same root, NEPHRON · 1 relative in the game
OUTLIER scores every word on how unusual it is, and that number is not published. Working it out at the board is the game.
NEPHRON in OUTLIER
Players have found it on 1 board so far.
It first turned up on Day 132, 29 September 2026. Nobody has seen it on a board for 2 days.
First ever to find it
on Day 132, 29 September 2026 - before anyone else in Outlier's history. See the Pioneers
Built from these letters
NEPHRON starts with N and ends with N. Sorted, its letters read EHNNOPR - the shape to hunt for when the grid is scrambled. N appears more than once.
Words that start NEPHRO
Its neighbours in the OUTLIER dictionary - shortest first.
Could you have found NEPHRON?
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 132 - and most players walked straight past it.
Play today's OUTLIER