IPA: /hɪəˈrɛf/
KK: /hɪrʌf/
This term refers to something that is mentioned or referred to in the current document or context.
The terms and conditions hereof must be agreed upon by both parties.
Hereof is formed from "here" (from Old English "hēr", meaning in this place) and "-of" (a preposition indicating belonging or relation). The word "hereof" means of or concerning this place or thing.
Think of 'here' as referring to a specific place, and '-of' indicating a relationship, which helps you remember that 'hereof' means concerning this place.