Professional business name with several strong meanings, for instance "ether, ethereal, ethernet". It could work for a various companies in multiple industries.
Etherlo has seven letters and three syllables. Three syllable names are used by established brands like Microsoft, Vodafone and KFC.
Etherlo.com is a dot com domain. Dot com domains are synonymous with websites. Owning a dot com says that you own the word "etherlo" online.