eye

• O.E. ege (Mercian), eage (W. Saxon), from P.Gmc. *augon, from PIE *oqw- "to see"
• (cf. Skt. akshi "the eye, the number two," Gk. opsis "a sight," Goth. augo, O.C.S. oko, Lith. akis, L. oculus, Armenian aku; perhaps allied to Rus. oko).
• Until c.1375 the plural was in -an, hence modern dial. plural een, ene.
• The verb is first recorded 1566. The eye of a needle was in O.E.; to see eye to eye is from Isa. lii.8; eyewitness is from 1539. Eyebrow is from 1585 (O.E. eagbræw meant "eyelid"); eyelash from 1752; eyelid first attested c.1240. Eye-opener "anything that informs and enlightens" is from 1863. Have an eye on "keep under supervision" is attested from c.1430.
• まど[窓]《マ（目）ト（門）》　mado