parerga

It is here that Busiris enters into the circle of the myths and _parerga_ of Heracles, who had arrived in Egypt from Libya, and was seized and bound ready to be killed and offered at the altar of Zeus in Memphis.

Encyclopaedia Britannica, 11th Edition, Volume 4, Part 4 "Bulgaria" to "Calgary" Various

Moreover, many of the parerga or preliminary treatises scattered through the Antwerp collection have been brought together in three separate volumes.

The Catholic Encyclopedia, Volume 2: Assizes-Browne 1840-1916 1913

The interest in philosophical and theological questions was perhaps even greater than among the Brahmans, and they were recognized not as parerga to a life of business or amusement, but as occupations in themselves.

Hinduism and Buddhism, An Historical Sketch, Vol. 1 Charles Eliot 1896

It is not an absolutely unknown thing to hear men boast of getting through their work somehow or other, that they may devote themselves to _parerga_ which they like, and which they are pleased to consider more dignified, more important, nearer the chief end of man.

Matthew Arnold George Saintsbury 1889

This is why the parerga and paralipomena Roseznzweig produces are, to him, of no great importance.

Spurious 2009