from the GNU version of the Collaborative International Dictionary of English
- n. Involution in one's self; hence, abstraction of thought; reverie.
from The Century Dictionary and Cyclopedia
- n. Involution in one's self; hence, mental abstraction; reverie.
Sorry, no etymologies found.
It will be seen that at least opium did not move me to seek solitude, and much less to seek inactivity, or the torpid state of self-involution ascribed to the Turks.
English all over and all through; hypochondriacal, with a strong tendency to self-involution and self-absorption.