English

insensiblist

From insensible + -ist.

Formed from insensible + -ist

Proto-Indo-European *sent- ‘to feel’

…

Latin sēnsibilis ‘perceptible, sensible’

Late Latin īnsēnsibilis ‘imperceptible, insensible’

Old French insensible

Middle English insensible

Today it means

noun An unfeeling person.

Language periods are conventional ranges, not dates for this word.

Etymograph / insensiblist