De- was a Matoran prefix meaning "sonics". When used, it denoted that the object of its reference was associated with sonics and/or the Element of Sonics in particular.


Krakua, a Toa of Sonics and a former De-Matoran


  • The prefix "De-" was derived from the English word "decibel," a real-world measurement unit for sound.
Elemental Prefixes
Regular Elements: Ta- • Ga- • Le- • Po- • Onu- • Ko-
Moral Elements: Av- • Kra-
Secondary Elements: Fe- • De- • Ba- • Ce- • Vo- • Su- • Fa- • Bo-
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