noun, noun which may take the genitive case particle 'no'
lowest level; minimum level
Used for the bottommost rank, grade, or standard in a scale, often with a negative connotation of being extremely poor or inadequate.
His Japanese is at the lowest level.
I have to say the quality of this product is at the lowest level.
Compound of 最低 (lowest, worst) and レベル (level, from English).