from The American Heritage® Dictionary of the English Language, 4th Edition

  • adj. Used as a modifier before a noun.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • conj. because.
  • pro. That belongs to thee; the possessive form of thou.
  • pro. your (informal); that belongs to you (singular).

from the GNU version of the Collaborative International Dictionary of English

  • pro. Of thee, or belonging to thee; the more common form of thine, possessive case of thou; -- used always attributively, and chiefly in the solemn or grave style, and in poetry. Thine is used in the predicate. See thine.

from The Century Dictionary and Cyclopedia

  • Of or pertaining to thee: possessive of the pronoun thou, second person singular. It is used in solemn and grave style. See thine.


Middle English, variant of thin, thine, from Old English thīn.
(American Heritage® Dictionary of the English Language, Fourth Edition)
From Middle English thi, thy ("thy"), apocopated form of thin, thyn, thine ("thy", also "thine"), from Old English þīn ("thy, thine"), from Proto-Germanic *þīnaz. More at thou. (Wiktionary)
Middle English thy "because, forwhy", shortened form of for-thy, forthy ("for that"), from Old English for þȳ [þe] ("because [that]") from for (instrumental preposition) + þȳ ("by that"), instrumental case of þæt. More at the, that. (Wiktionary)



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