D defs.my
Entry 2 senses Webster, 1913

Internally

/ĭnˌ-tẽrn'-əl-ē/ · In·ter·nal·ly · IPA /ɪnˈtɜɹnəli/
01 adv. Inwardly; within the enveloping surface, or the boundary of a thing; within the body; beneath the surface.
  1. 1.
    Inwardly; within the enveloping surface, or the boundary of a thing; within the body; beneath the surface.
  2. 2.
    Hence: Mentally; spiritually.