IPA: //ˌriːɪˈmɪʃən//
KK: /riːˈɛmɪʃən/
A second or later release of something, often referring to light, sound, or other forms of energy.
The reemission of light from the surface created a beautiful glow.
Reemission → It is formed from "re-" (meaning again) and "emittere" (meaning to send out). The word refers to the act of sending out again or the process of being emitted again.
Think of something being 'sent out again' — 're-' means again, and 'emittere' means to send out.