occasu
occasu is a Latin form of occido, meaning “kill; (occido) fall, set, die”.
It can also be a form of occasus, “setting (of the sun); the west; downfall”. It is the ablative singular masculine noun or supine dative singular neuter.
Found 37 times in the Latin texts on Socratos.
Where it is used
Caesar, De Bello Gallico 1.50.2: … suarum copiarum, quae castra minora oppugnaret, misit. Acriter utrimque usque ad vesperum pugnatum est. Solis occasu suas copias Ariovistus multis et inlatis et acceptis vulneribus in castra reduxit.
All forms of occido (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.