self-absorption

noun

focus on oneself, excluding others
physical effect where a body absorbs radiation it has emitted

Wiktionary

noun

Etymology: Etymology tree Proto-Indo-European *swé? Proto-Indo-European *selbʰ-der. Proto-Germanic *selbaz Old English self Old English self- Middle English self- English self- Proto-Indo-European *h₂ep Proto-Indo-European *-o Proto-Indo-European *h₂epó Proto-Italic *ap Latin abder. Latin ab- Proto-Indo-European *srebʰ- Proto-Indo-European *-yeti Proto-Indo-European *-éyeti Proto-Indo-European *srobʰéyeti Proto-Italic *sorβeō Latin sorbeō Latin absorbeō Proto-Indo-European *-tis Proto-Indo-European *-Hō Proto-Indo-European *-tiHō Proto-Italic *-tiō Latin -tiō Latin absorptiōder. English absorption English self-absorption From self- + absorption.

Preoccupation with oneself to the exclusion of everything else.