Richter (2006: 57) suggests that it is a clipping of the English word po(rnograhpy) to which the suffix -ndy (as in ‘trendy’, ‘handy’, etc.) has been added: a Partridgean etymology at best.

If you get it early ploughed and it lies all winter possibly, you find it an advantage to give it a second plough; but it does not invariably follow that we plough twice for our green crop.

Though in an age in which anyone can publish texts, images, and videos to potentially huge audiences and in which impassioned leftists of “woke,” “tankie,” and “democratic-socialist” (post-Corbynista or Bernie Bro) persuasions post constant calls to action, informational posts, and manifestos, the failure of the left to ignite needs further analysis.

[(...] it may be simply inenubilable, not merely because the ontological difference cannot be bridged by analogy or equivocation, identity or difference or sameness, but also because the means appropriate for an analytic of Dasein may not function for being, or because the results of one investigation may not apply to the other—just as results in vitro don't always apply in vivo, just as Plato's task in the Republic of finding justice in the soul by searching for it in the city may be doomed to failure).