noun Etymology: New Latin, (go) no more beyond Date: 1637 the highest point capable of being attained ; acme , the most profound degree of a quality or state
NE PLUS ULTRA
Meaning of NE PLUS ULTRA in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012