īmus -a -um

1. 1

   superlative degree of īnferus; lowest, deepest, innermost, nethermost

   = īnfimus ↔ summus↔ suprēmus

2. 2

   superlative degree of īnferus; the lowest part of, the bottom of, the depths of

   = īnfimus ↔ summus↔ suprēmus