From Middle English therto, from Old English þǣrtō (“thereto”), equivalent to there + to. Cognate with Scots tharto, thereto (“thereto”), Saterland Frisian deertou (“thereto”), West Frisian dêrta (“thereto”), Dutch daartoe (“thereto; for that”), German Low German daarto (“to that; for that; thereto”), German dazu (“to that; for that; thereto”).
thereto (not comparable)
- (archaic, quaint) To that.
- I require the operating manual thereto.
- c. 1430 (reprinted 1888), Thomas Austin, ed., Two Fifteenth-century Cookery-books. Harleian ms. 279 (ab. 1430), & Harl. ms. 4016 (ab. 1450), with Extracts from Ashmole ms. 1429, Laud ms. 553, & Douce ms. 55 [Early English Text Society, Original Series; 91], London: N. Trübner & Co. for the Early English Text Society, volume I, OCLC 374760, page 11:
- Soupes dorye. — Take gode almaunde mylke […] caste þher-to Safroun an Salt […]
- (archaic, quaint or poetic) To it.
- A man who allows wild passion to arise within, himself burns his heart, then after burning adds the wind that thereto which ignites the fire again, or not, as the case may be. —Jack Kerouac
- (‘here-’ words) here; hereabout, hereabouts, hereafter, hereagain, hereagainst, hereas, hereat, herebefore, hereby, herefore, herefrom, herein, hereinafter, hereinbefore, hereinto, hereof, hereon, hereto, heretofore, hereunder, hereunto, hereupon, herewith, herewithal
- (‘there-’ words) there; thereabout, thereabouts, thereafter, thereagain, thereagainst, thereamong, therearound, thereas, thereat, therebefore, therebeside, thereby, therefore, therefrom, therein, thereinafter, thereinbefore, thereinto, thereof, thereon, thereto, theretofore, thereunder, thereunto, thereupon, therewith, therewithal
- (‘where-’ words) where; whereabout, whereabouts, whereafter, whereagain, whereagainst, whereamong, whereas, whereat, wherebefore, whereby, wherefore, wherefrom, wherein, whereinafter, whereinbefore, whereinto, whereof, whereon, whereto, wheretofore, whereunder, whereunto, whereupon, wherewith, wherewithal