The most common and most likely answer to this crossword clue is the 3 letter word MOA which also is the latest solution we found used in New York Times in 1956.
Ancestor of 57 Across crossword clue answers
Here's a list of possible crossword answers ranked by the most likely to least likely.
| Answer | Likelyness | Letters | 
|---|---|---|
| MOA | 100 % | 3 | 
Words with a meaning similar to the clue: Ancestor of 57 Across
These words may or may not be a possible solution to this crosswords clue.- astaire
 - loges
 - paten
 - allen
 - eden
 - nancy
 - pierce
 - reign
 - rule
 - lightweight
 - mutt
 - byng
 
Crossword Answer definitions
MOA noun- Any of several species of large, extinct, flightless birds of the family Dinornithidae that were native to New Zealand; until its extinction, one species was the largest bird in the world.
 
More crossword clues leading to the same solutions
Here's a few more crossword clues - all leading to the identical solution