This domain is a play on "Sense" and "AV", which could signify Aviation, Audio-Visual, or Anti-Virus, among others.
Sensav has only six characters and just two syllables. Two syllable names make popular global brands. Two syllable names are used by established brands like Buffer, YouTube and Subway.
This domain was first registered in September 2016. Older domains have an advantage when ranking in search engines.
Sensav.com is a .com domain. Dot com domains are the most prestigious domain extension in the world, used by famous websites like twitter.com. When you own a .com, it is much easier to rank for your own name in search engines.