comprehensive compendium of all (general) constructs used in all natural languages?

employ x bars?

include odd words that denote/connote things that don't exist in most other languages?
 german - zeitgeist, schadenfreude
 eskimo - 17 words for snow

languages of particular interest
  piraha
  chinese written
  hieroglyphics
  other tribal languages

artificial language constructs to maybe not include
  Lojban
  ASL