roboratur
form analysis and translation based on Perseus (Version 2010):

3 S PRES IND PASS
roboro V	to make strong, strengthen, invigorate, confirm

Helmut Schmid's TreeTagger with Latin data by Gabriele Brandolini: roboro V:IND
Georges, Ausführliches lateinisch-deutsches Handwörterbuch, 8. Aufl. (1913)
rōboro, āvī, ātum, āre (robur), kernfestmachen, stärken, kräftigen, I) eig.: artus, Lucr.: filii sui corpus, Gell.: equum largo cibo, Plin.: nidos stramento, haltbar machen, Plin.: corpora et animos, Val. Max. – II) übtr.: gravitatem (animi), Cic.: pectora, Hor.: educata huius nutrimentis eloquentia ipsa se postea colorat et roborat, (show full text)
Lewis & Short, A latin dictionary (1879)
roboro, rōbŏro, āvi, ātum, 1, v. a. id., to make strong; to strengthen, invigorate, confirm (rare but class.). Lit.: artus, Lucr. 4, 1038: equum largo cibo, Col. 6, 27, 8: nidos stramento, Plin. 10, 33, 49, § 92: vitem, id. 17, 22, 35, § 175: spicam, id. (show full text)
Gaffiot, Dictionnaire latin-français (2016, ex 1934), merci à G. Gréco, M. De Wilde, B. Maréchal, K. Ôkubo!
roboro rōbŏrō, āvī, ātum, āre (robur), tr., fortifier, rendre robuste, affermir, consolider : Lucr. 4, 1038 ; Col. Rust. 6, 27, 8 ; Plin. 18, 260 || [fig.] Cic. Off. 1, 112 ; Or. 42.
Дворецкий И.Х., Отличный латинско-русский словарь (1976)
roboro roboro, avi, atum, are [robur] делать крепким, сильным, укреплять (artus Lcr; animos VM; eloquentiam C).