r- [prefix]Remember to put an under-blanket on the bed before you put the sheet on.Compare over- at over (HIGHER POSITION).An under-secretary is a person who works for and has a slightly lower rank than the secretary (= person in charge) of a government department.She's Under-Secretary of State for Foreign Affairs.
UNDE
Meaning of UNDE in English
Cambridge English vocab. Кембриджский английский словарь. 2012