fibres is a form of:

Perfidy



noun — Plural: Perfidies
1.
(បច្ចេកទេស) សេចក្តីមិនស្មោះត្រង់
ENGLISH MEANING
noun — Plural: Perfidies
1.
The act of violating faith or allegiance; violation of a promise or vow, or of trust reposed; faithlessness; treachery.