The most common and most likely answer to this crossword clue is the 6 letter word ETCHED
I've seen this crossword clue in Independent
E
T
C
H
E
D
More clues leading to the result ETCHED
- Made a lasting impression, got female going
- Made an impression and got fellow going
- Attacked with acid
- Very bad skin of warrior is cut and deeply lined
- What people who had designs on eating out did?
- Cut a slice of SomersetCheddar
- Made an impression as an artist
- Sad to let go of top two that made a distinct impression
- Impressed others with the man’s daughter
- Cut a piece of Somerset cheddar
Buddy explains!

The straight part
We know that "deeply lined" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case deeply lined = etched.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 ETCHED mean?
ETCHED verb- To cut into a surface with an acid or other corrosive substance in order to make a pattern. Best known as a technique for creating printing plates, but also used for decoration on metal, and, in modern industry, to make circuit boards.
- To engrave a surface.
- To make a lasting impression.
- To sketch; to delineate.
- Cut or dug into the surface as by etching.
- (of a muscle, body part or person) Toned and with a well-defined musculature.