Lewis Short
assĭdŭĭtas | ads- (noun F) : (), , 2. assiduus
* A constant presence with any one (in order to serve, aid, etc.; cf. assideo, I. B. 1.; most freq. in Cic.).
* In gen.: medici adsiduitas,constant attendance,Cic. Att. 12, 33: cotidiana amicorum adsiduitas et frequentia,Q. Cic. Petit. Cons. 1, 3: eorum, qui abs te defensi sunt,id. ib. 1, 13: eandemque adsiduitatem tibi se praebuisse postridie,the same unceasing attendance,Cic. Deiot. 15, 42: summā adsiduitate cotidianā aliquem tractare,id. ad Q. Fr. 1, 3, 8.—So of the constant attendance, in the assemblies, of candidates for office (cf.: habitare in oculis,Cic. Planc. 27, 66): altera pars petitionis, quae in populari ratione versatur, desiderat nomenclationem, blanditiam, adsiduitatem, etc.,Q. Cic. Petit. Cons. 11, § 43: adsiduitatis et operarum harum cotidianarum putat esse consulatum,Cic. Mur. 9, 21: valuit adsiduitate, valuit observandis amicis, valuit liberalitate,id. Planc. 27 fin.: homo aut frugalitatis existimatione praeclara aut, id quod levissimum est, adsiduitate,Cic. Verr. 2, 1, 39. —First in Suet., without access. idea, for constant presence, Suet. Tib. 10.
* Esp., with gen. of thing, with the idea of continuance in time, the continuance, duration, constancy of any thing; sometimes a frequent occurrence or repetition of it: adsiduitate molestiarum sensum omnem humanitatis ex animis amittimus,Cic. Rosc. Am. 53 fin.: adsiduitate cotidianā et consuetudine oculorum adsuescunt animi,id. N. D. 2, 38, 96: bellorum,id. Off. 2, 21, 74: epistularum,unbroken correspondence,id. Fam. 16, 25: orationis,id. Att. 16, 5, 2: dicendi adsiduitas aluit audaciam,id. Inv. 1, 3, 4: contubernii,Tac. Or. 5: spectaculorum,Suet. Aug. 43: concubitus,id. Dom. 22: opprobrii,Vulg. Eccli. 41, 9: ejusdem litterae, Auct. ad Her. 4, 12, 18.—Without gen. of thing: talis in rem publicam nostram labor, adsiduitas, dimicatio,assiduity, unremitting application,Cic. Balb. 2, 6: adsiduitas illius non est,Vulg. Eccli. 7, 14: viri mendacis,ib. ib. 20, 27; 38, 28.
Charlton T. Lewis, Charles Short, A Latin Dictionary