The most common and most likely answer to this crossword clue is the 6 letter word HOUNDS
I've seen this crossword clue in The Daily Telegraph
H
O
U
N
D
S
More clues leading to the result HOUNDS
Buddy explains!
The straight part
We know that "Bay may have come from one of these" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case bay may have come from one of these = hounds.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 HOUNDS mean?
HOUNDS noun- A dog, particularly a breed with a good sense of smell developed for hunting other animals.
- Any canine animal.
- (by extension) Someone who seeks something.
- (by extension) A male who constantly seeks the company of desirable women.
- A despicable person.
- A houndfish.
- To persistently harass.
- To urge on against; to set (dogs) upon in hunting.
- (in the plural) Projections at the masthead, serving as a support for the trestletrees and top to rest on.
- A side bar used to strengthen portions of the running gear of a vehicle.