co'a _ZAhO -co'a- cmavo

interval event contour: at the starting point of ...; initiative >|< |.

In definition:

ca'o'a (exp!): Contraction of ca'o co'a. Expresses that the event is progressively beginning.

cfatse: x₁ sits down on x₂.
claco'a: co₁ is a/the anterior (zootomy)/cranial/cephalic end (anatomy)/superior end (human anatomy) of body/object cl₁; co₁ (subevent) is at the starting point of long event/time-intervall cl₁.
claco'u: co₁ is a/the anterior (zootomy)/cranial/cephalic end (anatomy)/superior end (human anatomy)/fore/bow (nautical)/nose (skateboard etc), of body/object cl₁; co₁ (subevent) is at the ending point of long event/time-intervall cl₁.
co'acfa: x₁=cf₁ [state/event/process] commences/initiates/starts/begins to occur from its natural start; (intransitive verb).
co'arbi'o: b₁ starts to become b₂ under conditions b₃.
co'asku: c₁ (agent) starts to express/say c₂ (sedu'u/text/lu'e concept) for audience c₃ via expressive medium c₄.
zilmipri: x₁ is secret/hidden from x₂ by method x₃.
co'a'a (exp!): superfective inchoative; starting too late
de'i'a: in the Nth century.
de'i'u: on the Nth day of the week.
klikeco'a: x₁ grabs (starts click-drag action) x₂ from locus x₃