Interesting antedatings

Revision of the entries in the September 2004 OED Online update has revealed an earlier origin than previously known for many words, including:

• orbit (noun; antedated to ?a1425 from 1548)
• orchestral (a1779 from 1811)
• ordinary (adjective; a1402 from c1460)
• organizationally (1868 from 1933)
• originally (a1398 from 1490)
• ornamental (1595 from 1646)
• ostentatious (1590 from 1658)