undermost

/ˈʌndərˌmoʊst/
adjective
  1. Lowest in position; at the very bottom.
    • The undermost rocks in the pile were damp from the ground.
    • She found her keys in the undermost drawer of the dresser.
    • The undermost layer of the cake was chocolate.
adverb
  1. In the lowest position; at the very bottom.
    • The heaviest box should go undermost in the stack.
    • Place the fragile items undermost so they don't get crushed.
    • The oldest fossils were buried undermost.
What does "undermost" mean? | whatsthatwordmean | whatsthatwordmean