The most common and most likely answer to this crossword clue is the 7 letter word INNINGS
I've seen this crossword clue in Financial Times
I
N
N
I
N
G
S
More clues leading to the result INNINGS
- Knock public house sign, unfortunately
- Prize money Warwickshire opener sacrificed for time at wicket
- Wife abandons prize money for spell at wicket
- Purse not opened in time?
- . Getting off to a late start spoils cricket session
- Money won from bet after wicket falls in spell at the crease
- Money from gambling, say, but no wife for life
- Losing wicket at the start, spoils period at the crease
- Knock pub sign off
- Knock top prize money
Buddy explains!

The straight part
We know that "life" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case life = innings.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does INNINGS mean?
INNINGS noun- One side's (from when the first player begins to bat, until the last player is out) or individual player's turn to bat or the runs scored during those durations.
- The time during which any party is in possession of power, or enjoying good luck, etc.; a turn of any kind.
- A person's lifespan.
- A period of play in which members of a visiting baseball team attempt to hit a baseball pitched by the opposing home team until three players are called out, followed by a similar attempt by members of the home baseball team against the visiting team's pitching. There are nine or more innings in a regulation baseball game.
- A similar period of play.
- A player (or team)'s turn at the table to make shots until ended by a miss or a foul.
- A chance or opportunity to perform some deed or act.
- The gathering of a crop; harvesting.
- Lands recovered from the sea.