Learn word etymologies quickly from the command line

etym.rb

#!/usr/bin/env ruby
require 'rubygems'
require 'nokogiri'
require 'open-uri'
require 'colorful'

url = "http://www.etymonline.com/index.php?search=#{ARGV[0]}"
doc = Nokogiri::HTML(open(url))
doc.css('dl').search('dt').each do |node|
    puts "#{node.text}".white
    desc = node.next_element.text
    desc = (desc.scan(/.{,80}[^"\w]/).map { |line| line.strip }).join "\n"
    puts "#{desc}".green
end