This brand name is a play on the word "husband".
Husbandy has eight characters and three syllables. Successful brands using three syllable names include Mastercard, Adidas and Delicious.
Husbandy.com is a dot-com domain. Dot com domains are the most valuable top-level-domain in the world, used by famous websites like facebook.com. Owning a dot-com says that you own the word "husbandy" online.
This domain was first registered in August 2016. Older domains have an advantage when ranking in search engines.