pro bo‧no /ˌprəʊ ˈbəʊnəʊ $ ˌproʊ ˈboʊnoʊ/
adjective, adverb[
Date: 1900-2000;
Language: Latin;
Origin: pro bono publico 'for the public good']
used to describe work that someone, especially a lawyer, does without getting paid
[TahlilGaran] Dictionary of Contemporary English ▲