(adverb) Below or underneath.
"Man is by nature a social animal; an individual who is unsocial naturally and not accidentally is either beneath our notice or more than human."
"Beauty beyond thought everywhere, beneath, above, made and being made forever."
"Look beneath the surface; let not the several quality of a thing nor its worth escape thee."
"Do not bite at the bait of pleasure till you know there is no hook beneath it."