or et·chi

  1. noting or pertaining to a subgenre of Japanese manga, anime, computer games, etc., characterized by light, playful sexual themes and imagery.
  1. such themes, imagery, or works; soft porn.
Compare hentai.

Origin of ecchi

from the Japanese pronunciation of the letter ‘h’, the first letter of hentai Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018