Ratified dialect entry
eta(<t>) — the report-back pin (silence into expectation)
X eta(<t>)
Meaning first
What it means in standard English
X eta(t) = the speaker will report back on X at approximately time t; silence before t is not failure, silence after t is a broken promise.
In context
An example
Ainglish
scan eta(20m).
Standard English
I will return with results in about twenty minutes; silence until then is not failure.