‘’Tis an etching,’ said old Piranesi,
‘And kindly don’t tell me I’m crazy.
If you say “engraving”
It’s not me that’s raving
It’s you being mentally lazy.’
NOW BRING ME A CHICKEN JALFREZI.

The same problem arises in every era: the Old Master indulges his penchant for pedantic pontification, while relying on others to minister to his basic bodily requirements. A man unable to cook is in no position to hector those untroubled by the self-involved niceties of his Terms of Art, ‘engraving’ and ‘etching’.