in nero

== Italian == === Etymology === Literally, “in black”. Compare German schwarz, Albanian në të zezë, French au noir. === Adverb === in nero off the books (unofficially, to avoid tax payment) pagare in nero ― to pay off the books lavorare in nero ― to work illegally; to moonlight === Adjective === in nero (invariable) off-the-books, undeclared lavoro in nero ― undeclared work === References === nero2 in Treccani.it – Vocabolario Treccani on line, Istituto dell'Enciclopedia Italiana