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{{Woodhouse1
|Text=[[File:woodhouse_915.jpg|thumb|link={{filepath:woodhouse_915.jpg}}]]'''v. trans.'''

P. and V. [[λύω|λύειν]], ἐκλύειν.

<b class="b2">Help to undo</b>: V. συλλύειν.

<b class="b2">Unbar</b>: Ar. and V. χαλᾶν (rare P.), V. διαχαλᾶν.

<b class="b2">Unfold</b>: Ar. and P. ἀνελίσσειν, V. ἐξελίσσειν, ἀναπτύσσειν; see [[unfold]].

<b class="b2">Slacken</b>: P. and V. χαλᾶν, ἀνιέναι, P. ἐπανιέναι. V. ἐξανιέναι.

<b class="b2">Undo</b> (<b class="b2">shoes</b>): Ar. and P. ὑπολύειν.

<b class="b2">Cancel</b>: P. and V. καθαιρεῖν, [[λύω|λύειν]], Ar. and P. [[διαλύω|διαλύειν]], P. ἄκυρον καθιστάναι; see [[cancel]].

<b class="b2">Destroy</b>: P. and V. καθαιρεῖν; see [[destroy]].

<b class="b2">Ruin</b>: P. and V. [[διαφθείρω|διαφθείρειν]]; see [[ruin]].

<b class="b2">Make undone</b>: P. ἀγένητον τιθέναι (Plat., ''Prot.'' 324B).

(<b class="b2">I go</b>) <b class="b2">to undo my former sins</b>: V. λύσων ὅσʼ ἐξήμαρτος, ἐν τῷ πρὶν χρόνῳ (Soph., ''Phil.'' 1224).
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{{Lewis
|lshtext=<b>undo</b>: āvi, ātum, 1, v. n. and<br /><b>I</b> a. [[unda]].<br /><b>I</b> Neutr., to [[rise]] in waves or surges, to [[throw]] up waves, to [[surge]], [[swell]] ([[poet]]. and in postAug. [[prose]]).<br />&nbsp;&nbsp;&nbsp;<b>A</b> Lit.: undantem [[salum]], Enn. ap. Non. 223, 24 (Trag. v. 226 Vahl.); cf.: undanti in freto, Att. ap. Cic. N. D. 2, 35, 89: solet [[aestus]] [[aequinoctialis]] ... undare, Sen. Q. N. 3, 28, 6: ad [[caelum]] undabat [[vortex]], Verg. A. 12, 673: aëna undantia flammis, id. ib. 6, 218.—<br />&nbsp;&nbsp;&nbsp;<b>B</b> Transf.<br />&nbsp;&nbsp;&nbsp;<b>1</b>&nbsp;&nbsp;&nbsp; To [[overflow]] [[with]], be [[full]] of, [[abound]] in [[any]] [[thing]], = abundare: [[regio]] Undat equis floretque viris, Val. Fl. 1, 539: [[vultus]] [[sanguine]], Stat. Th. 1, 449: [[silva]] favis, Claud. Rapt. Pros. 3, 25: ima (aedium) viris, id. VI. Cons. Hon. 545.—<br />&nbsp;&nbsp;&nbsp;<b>2</b>&nbsp;&nbsp;&nbsp; To [[wave]], [[undulate]]: vidimus undantem ruptis fornacibus Aetnam, Verg. G. 1, 472: undantes flammae, Sil. 9, 446: undante [[fumo]], Sen. [[Troad]]. 19: undans buxo [[Cytorus]], Verg. G. 2, 437: undans [[chlamys]], Plaut. Ep. 3, 3, 55: undantes habenae, [[waving]], [[flowing]], [[hanging]] [[loosely]], Verg. A. 12, 471; so, undantia [[lora]], id. ib. 5, 146: ipsa ([[puella]]) [[decenter]] undabat, undulated, App. M. 2, p. 117, 38.—<br />&nbsp;&nbsp;&nbsp;<b>C</b> Trop., to [[waver]], [[fluctuate]], be agitated: undans [[curis]], Val. Fl. 5, 304: undantes spumis furialibus irae, Claud. in Ruf. 1, 76.—<br /><b>II</b> Act. ([[very]] [[rare]]), to [[overflow]], [[inundate]], [[deluge]]: [[sanguine]] campos, Stat. Achill. 1, 87: [[sinus]] cruore, Claud. in Ruf. 2, 67.—P. a.: undātus, a, um, in a wavy or [[wave]]-[[like]] form: concharum genera [[imbricatim]] undata, [[cancellatim]] reticulata, Plin. 9, 33, 52, § 103.—Hence, undan-ter, adv., in a [[waving]] [[manner]], [[like]] waves: [[capillus]] [[undanter]] [[fluens]], App. M. 2, p. 122, 7 (al. [[fluenter]] undans): evomere talia, Mart. Cap. 2, § 138.
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