The most common and most likely answer to this crossword clue is the 5 letter word DWELT
I've seen this crossword clue in Financial Times
D
W
E
L
T
More clues leading to the result DWELT
- Lived in part of Oxford, perhaps, with daughter
- Lived in luxury endlessly in Datchet's outskirts
- Lived and died on edge
- Border south of duke's abode
- . First dinky little townhouse wherein we lived
- Was resident turning vulgar over time?
- Daughter hit hard and lived
- Lived in Germany with the world of the Germans
- Foremost of doctrines by which Mark lived
- Lived and died on smack
Buddy explains!

The straight part
We know that "Was a resident" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case was a resident = dwelt.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 DWELT mean?
DWELT verb- To live; to reside.
- To linger (on) a particular thought, idea etc.; to remain fixated (on).
- To be in a given state.
- To abide; to remain; to continue.