externis
externis is a Latin form of externus, meaning “external, outward; foreign”. It is the ablative plural feminine adjective.
Found 108 times in the Latin texts on Socratos.
Where it is used
Caesar, De Bello Civili 2.5: … isset, ne ad conandum quidem sibi quicquam reliqui fore viderent; si superavissent, vel domesticis opibus vel externis auxiliis de salute urbis confiderent.
All forms of externus (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.