instance_or_fallback

# File activesupport/lib/active_support/inflector/inflections.rb, line 83
      def self.instance_or_fallback(locale)
        return @__en_instance__ ||= new if locale == :en

        I18n.fallbacks[locale].each do |k|
          return @__instance__[k] if @__instance__.key?(k)
        end
        instance(locale)
      end