D defs.my
Entry 2 senses Webster, 1913

Whereinto

· Where·in·to · IPA
01 adv. Into which; -- used relatively.
  1. 1.
    Into which; -- used relatively.
    “Where is that palace whereinto foul things Sometimes intrude not?” Shak.
    “The brook, whereinto he loved to look.” Emerson.
  2. 2.
    Into what; -- used interrogatively.