aestu
aestu is a Latin form of aestus, meaning “heat; tide, surge; passion, agitation”. It is the ablative singular masculine noun.
Found 133 times in the Latin texts on Socratos.
Where it is used
Caesar, De Bello Gallico 3.12.1: … lto se aestus incitavisset, quod [bis] accidit semper horarum XII spatio, neque navibus, quod rursus minuente aestu naves in vadis adflictarentur.
All forms of aestus (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.