What is the meaning of Arenga?

herring

areng (Arenga pinnata)

preamble (an explanatory introduction to a formal document or statute)

a document of motives spread by the Church

sermon

inflection of arengar:

  1. third-person singular present indicative
  2. second-person singular imperative

third-person singular present indicative

second-person singular imperative

Source: wiktionary.org