On grammatical class:

da'o
discursive: cancel pro-sumti/pro-bridi assignments.
dai'o
discursive & gafyzmico: reset/restore all defaults (permanently) to discourse-exterior specification; cancel all following discourse-interior default assignments
do'ai
discursive & gafyzmico: ignore/kill all following default specifications (permanently)

In definition:

bandu'asu
x1 is the language with ISO 639-3 code “das” (Daho-Doo).
cmavrda'o
x1 is the selma'o "DAhO".