extremis
extremis is a Latin form of extremus, meaning “farthest, last”.
It can also be a form of exter, “outer, foreign; (extremus) outermost, last, farthest, extreme”. It is the ablative plural masculine superlative adjective.
Found 130 times in the Latin texts on Socratos.
Where it is used
Caesar, De Bello Gallico 1.1.6: Belgae ab extremis Galliae finibus oriuntur, pertinent ad inferiorem partem fluminis Rheni, spectant in septentrionem et orientem solem.
All forms of extremus (declension table)
Source: Socratos (socratos.org), a free reader for Ancient Greek and Latin. Grammar from the Perseus Treebank and Morpheus; dictionary entries from Lewis & Short, A Latin Dictionary (Perseus Digital Library, CC BY-SA). Counts are from the texts on Socratos.