Other spiders belonging to the same family as the New World tarantulas are the monkey spiders of Africa and the bird-eating spiders of Australia and New Guinea. Trap-door spiders and the dangerous funnel-web spider of Australia are also related to the theraphosids as members of Orthognatha.
5. origin-the source of something's existence or from which it derives or is derived; the rumor had its origin in idle gossip; vegetable origins; mineral origin; origin in sensation. source - (technology) a process by which energy or a substance enters a system; a heat source; a source of carbon dioxide.
Synonyms: word origin, word source, derivation, origin. 2. a chronological account of the birth and development of a particular word or element of a word, often delineating its spread from one language to another and its evolving changes in form and meaning. Synonyms: word history, word lore, historical development.