The phrase "accumulated past" is correct and usable in written English.
It can be used to refer to experiences, knowledge, or events that have built up over time.
Example: "The accumulated past of the organization has shaped its current policies and practices."
Alternatives: "cumulative history" or "gathered experiences".
The weight of the accumulated past begins to take its toll.
The accumulated past deficits add up to the total debt.
In legal terms, the program is funded not just by today's payroll taxes, but by accumulated past surpluses — the trust fund.
These results indicate that speed-distance effects are determined empirically from accumulated past experience with the relationship between image speeds and moving objects.
A corollary is that the motion percepts elicited from retinal stimuli correspond to neither the most likely physical speed and trajectory of an object, nor the properties of the stimulus itself, but to the locus (percentile rank) of a stimulus in accumulated past experience.
In our case the sensitivity in crossings did not differ from self-pollination, probably because the methylation levels had already accumulated past the silencing threshold in flowering T2 plants.
As it looks to return more of its accumulated past-net profit margin — cash, and so forth — to investors, Apple will again turn to debt to raise the funds needed.
What it does is accumulate past values of the input.
If he could recall his adventures, he would have a history; he would have an accumulating past, a sensation, synonymous with experience and aging, of events layered through time.
The idea of accumulating past wealth and using it in the form of capital to centralize control over the technological modes of production and distribution was a radical new idea at the dawn of the market era.
One reason for this treatment is that the capital stock is constructed by accumulating past investment.
