v. Obs. [OE. þurh séon, f. þurh THOROUGH, THROUGH adv. + séon to SEE: cf. OHG. durhsehen, Ger. durchsehen.] trans. To see through (lit. and fig.: cf. SEE v. 24). Hence † Thorough-seeing vbl. sb., the action of this vb.; ppl. a. that sees through; † Thorough-seeable a., capable of being seen through, transparent.

1

c. 888.  K. Ælfred, Boeth., xli. § 1. He ʓeseohð & þurhseohð ealle his ʓesceafta ændemest.

2

a. 1200.  Moral Ode, 90 (Lambeth). He þurþ-sicheþ uches monnes þonc [v.r. þurh-sihð elches mannes þanc].

3

a. 1225.  Ancr. R., 50. Þe blake cloð … is þiccure … & wurse to þurhseon.

4

1553.  Grimalde, Cicero’s Offices (1556), 7. Whoso thorowseeth moste what in everye case is truest. Ibid., 68. So desireful of thorow seing and learning the nature of things.

5

1561.  T. Hoby, trans. Castiglione’s Courtyer, IV. (1577), X viij b. The eyes of the minde … then beginne to be sharp and thorough seing, when the eyes of the body lose the floure of theyr sightlynesse.

6

1562.  Turner, Herbal, II. 151. The rosin or turpentine [of Terebinthus] … is clere, & thorow seable, whyte, like a glasse & blewish gray.

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