The most common and most likely answer to this crossword clue is the 6 letter word HERETO
I've seen this crossword clue in Financial Times
H
E
R
E
T
O
More clues leading to the result HERETO
- Up to this girl’s school to withhold name
- Maybe three-love regarding this point
- Refers to this three-nil thrashing
- Wife having left, he wrote contrary to this
- Somehow the River Ebro when crossing the middle is so far
- Girl’s toe squashed with this?
- Perturbed, Eratosthenes denied assentto this
- Engineering other changes for this purpose
Buddy explains!

The straight part
We know that "Refers to this" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case refers to this = hereto.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 HERETO mean?
HERETO adverb- To here, to this
- Yet, so far
- Regarding this subject