What does the cryptic crossword clue "Date encapsulating cold charm (7)" mean?

The definition part of the clue is "charm". The answer is BEWITCH. Explanation: BE WITH (date) round C (cold)

Date encapsulating cold charm (7)

Guardian Puzzle #29055 21 Down 2023-04-27

Definition

charm

Explanation

BE WITH (date) round C (cold)

Source: Fifteensquared

Answer

BEWITCH