Dualprefix
Dualprefix is a term used in linguistics to describe a word-formation pattern in which a stem receives two prefixes in sequence, with each prefix contributing a separate grammatical meaning. Both prefixes attach to the left of the base, forming a single multi-prefix word rather than a compound. The concept is most often discussed in typology and in the design of constructed languages to illustrate how multiple grammatical categories can be encoded within a single word. It is distinct from a circumfix, which wraps around the stem, and from infixation, which inserts inside the stem.
Semantics and typology: The two prefixes may encode tense or aspect, mood, evidentiality, definiteness, number, or
Example: In a hypothetical language, the verb root dron means “eat.” The prefixes pa- and ni- are
Relation to other devices: Dualprefixing is a form of affix stacking or poly-prefixation. It shares concerns