unstring

(transitive) To remove the string or strings from.
(transitive) To shake the nerves of; to cause anxiety or panic in.
To defuse or relax.
To remove from a string; to release something that has been strung up or strung together.
To untie.
(transitive) To split (a text string) into smaller strings by separating on a delimiter.

Prefix from English string.

English

string