The most common and most likely answer to this crossword clue is the 5 letter word UNMAN
I've seen this crossword clue in The Times
U
N
M
A
N
More clues leading to the result UNMAN
Buddy explains!

The straight part
We know that "Take courage from" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case take courage from = unman.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 UNMAN mean?
UNMAN verb- To castrate; to remove the manhood of.
- To sap (a person) of the strength, whether physical or emotional, required to deal with a situation.
- To deprive of men.