altas
altas is a Latin form of alo, meaning “nourish, feed, support”. It is the perfect passive participle accusative plural feminine.
Found 43 times in the Latin texts on Socratos.
Where it is used
Vergil, Georgics 2.305: robora conprendit frondesque elapsus in altas
All forms of alo (conjugation 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.