Ordior, ordîris, penult. prod. orsus & ordîtus sum facie, test Prisciano, ordíri. Plaut.To begin to speake.A principio ordiri.Cic.Ordiri & Terminare, contraria.Cic.Abinicio ordiri & perducere adextremum.Cic.Altius ordiri, & memoriam repetece.Cic.Orditi capite. Plin. Ordiamur facilimis. Cic.Causam ordiri.Cic.Initium quoddam alterius vitæ ordiri.Cic.Orationem ordiri.Cic.Ordiri telam. Plin. To begin the webbe.Ordiri sundamenta ex depressiore loco. Colum.
Orsa, orsorum, n. g. Liu.Enterprises: beginninges: things begunne. Orsa referre. Virg.Ordiendus. Particip. Cic. Ab eo nobís causa ordienda est.
Orsus, &c. Vide ORDIOR.
Lewis and Short: Latin dictionary
ordĭor, orsus, 4 (fut. ordibor for ordiar: non parvam rem ordibor, Att. ap. Non. 39, 22; part. perf. orditus, Sid. Ep. 2, 9; Vulg. Isa. 25, 7), v. dep., lit., to begin a web, to lay the warp; hence, also, in gen., to begin, undertake a thing: ordiri est rei principium facere, unde et togae vocantur exordiae, Fest. p. 185 Müll.; cf. Isid. 19, 29, 7: telam, Hier. in Isa. 9, 30, v. 1; Vulg. Isa. 25, 7. I.Lit., to begin to weave a web, to weave, spin: araneus orditur telas, Plin. 11, 24, 28, 80.—So of the Fates: Lachesis plenā orditur manu, Sen. Apoc. 4: (Parca) hominis vitam orditur, Lact. 2, 10, 20.—II. In gen., to begin, commence, set about, undertake (class.; syn.: incipio, incoho, infit); constr. with acc., de, inf., or absol.(a). With acc.: reliquas res, Cic. Fam. 5, 12, 2: alterius vitae quoddam initium ordimur, id. Att. 4, 1: reliquos,
to relate
,
describe
, Nep. Alc. 11, 6: querelae ab initio tantae ordiendae rei absint. Liv. praef. 12: majorem orsa furorem, Verg. A. 7, 386.—(b). With de: paulo altius de re ordiri, Cic. Verr. 2, 4, 47, 105.—(g). With inf.: ea, de quā disputare ordimur, Cic. Brut. 6, 22: cum adulescens orsus esset in foro dicere, id. ib. 88, 301: cum sic orsa loqui vates, Verg. A. 6, 125: et orsa est Dicere Leuconoë, Ov. M. 4, 167: tunc sic orsa loqui, id. ib. 4, 320.—(d).Absol., to begin, commence, set out, take or have a beginning: unde est orsa, in eodem terminetur oratio, Cic. Marcell. 11, 33: Veneris contra sic filius orsus, thus began (to speak), Verg. A. 1, 325: sic Juppiter orsus, id. ib. 12, 806; so commonly with specification of the point from which: unde ordiri rectius possumus quam a naturā?Cic. Tusc. 5, 13, 37 init.: a principio, id. Phil. 2, 18, 44: a facillimis, id. Fin. 1, 5, 13: a capite, Plin. 25, 11, 83, 132.—(e) Of things or subjects, to begin, to be begun (where the verb may be taken in pass. sense): tormina ab atrā bile orsa mortifera sunt, Cels. 2, 8: cum ex depressiore loco fuerint orsa fundamenta, Col. 1, 5, 9: sed ab initio est ordiendus (Themistocles), i. e. I must begin (his life) at the beginning, Nep. Them. 1, 2; cf.: ab eo nobis causa ordienda est, Cic. Leg. 1, 7, 21.
orsa, ōrum, n. [ordior]. I.Beginnings, commencements, an undertaking, attempt: ut (di) orsis tanti operis successus prosperos darent, Liv. praef. fin.: Orsa juvare, Val. Fl. 1, 21.—II. In partic., words, speech (poet.): sic orsa vicissim Ore refert, Verg. A. 7, 435; 10, 632; 11, 124; Val. Fl. 5, 472: Menandri, i. e. carmina, Aus. Idyll. 4, 46.