The most common and most likely answer to this crossword clue is the 7 letter word EMBRYOS
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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 EMBRYOS mean?
EMBRYOS noun- In the reproductive cycle, the stage after the fertilization of the egg that precedes the development into a fetus.
- An organism in the earlier stages of development before it emerges from the egg, or before metamorphosis.
- In viviparous animals, the young animal's earliest stages in the mother's body
- In humans, usually the cell growth up to the end of the seventh week in the mother's body
- A rudimentary plant contained in the seed.
- The beginning; the first stage of anything.