Word Study
whereinto
CIDE DICTIONARY
whereinto, adv.
- Into which; -- used relatively. [1913 Webster]"Where is that palace whereinto foul things
Sometimes intrude not?" [1913 Webster]"The brook, whereinto he loved to look." [1913 Webster] - Into what; -- used interrogatively. [1913 Webster]
For further exploring for "whereinto" in Webster Dictionary Online