noun which may take the genitive case particle 'no'
hygiene-related; sanitary
Used as a no-adjective to describe things related to hygiene or sanitation.
The shop closed due to hygiene-related problems.
from a hygiene standpoint; in terms of hygiene
Used adverbially to evaluate or comment on something from a hygiene perspective.
From a hygiene standpoint, hand washing is important.
Compound of 衛生 (hygiene) + 上 (suffix meaning 'from the standpoint of' or 'related to').