the.com/habitability

means The quality of a place being capable of supporting life, even if no life actually lives there.

from Built from 'habitable' — itself from Latin habitare, 'to dwell,' the frequentative form of habere, 'to have or hold,' as if dwelling were just holding onto a place again and again. The '-ity' suffix, from Latin -itas, turns the quality into an abstract noun: not just 'livable' but 'livable-ness' as a measurable property, the word modern science leans on when it wants to grade a planet's potential without promising anyone's actually home.