-ach-

From earlier -ac-, from Italian -accio. (Compare Esperanto -aĉ-)

-ach-

1. Used to add a pejorative meaning, expressing a very low quality, nuance of despise, antipathy, disgust or repugnance, etc.

   ‎kavalo (“horse”) + ‎-ach- → ‎kavalacho (“nag; a horse of low or bad quality”)

   ‎populo (“a people, population”) + ‎-ach- → ‎populacho (“rabble, riffraff; a blunt and badly led people”)

   ‎bela (“beautiful”) + ‎-ach- → ‎belacho (“insipid beauty, inexpressive, has no charm”)

   ‎dolca (“sweet”) + ‎-ach- → ‎dolcacha (“tasteless, flavorless, flat (of persons and things)”)

   ‎bravo (“a brave person”) + ‎-ach- → ‎bravacho (“swaggerer, blusterer, false braveness”)

   ‎papero (“paper”) + ‎-ach- → ‎paperacho (“useless paper, invaluable”)