thereto

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”).

• (UK) IPA^(key): /ˌðɛəˈtuː/
• (US) IPA^(key): /ˌðɛɚˈtuː/

thereto (not comparable)

1. (formal) To that.
2. (archaic or poetic) To it.
   • Robert Browning

     For elegance, he strung the angelot,
     Made rhymes thereto […]

   • Jack Kerouac

     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.