IPA: /ˌriːfɔːtɪfɪˈkeɪʃən/
KK: /rɪˌfɔːrtɪfɪˈkeɪʃən/
The process of strengthening or reinforcing a fort or defensive structure again after it has been weakened or damaged.
The army planned a refortification of the old castle to prepare for potential attacks.
Refortification → It is formed from "re-" (meaning again) and "fortificare" (meaning to strengthen). The word refers to the act of strengthening or reinforcing a fortification again.
Think of 'strengthening' something 'again' — 're-' means again, and 'fortificare' means to strengthen.