English
systemmate
From system (“a set of alters of a person, or the multiple who contains them”) + -mate.
Formed from system ‘a set of alters of a person, or the multiple…’ + -mate
Proto-Indo-European *steh₂- ‘to stand (up)’
…
Ancient Greek συνίστημι ‘to combine, organize’
Ancient Greek σύστημα ‘musical scale; organized body; whole made of…’
Late Latin systēma ‘harmony; musical scale; system’
Middle French systeme
English system
Today it means
noun Synonym of headmate (“one of the personalities, identities, or selves in a person with multiplicity”).
Sources
Sources: Wiktionary, “systemmate”. By Wiktionary contributors, CC BY-SA 4.0, via kaikki.org (dump of Oct 3 2026); text adapted and restructured. Language periods are conventional ranges, not dates for this word. License.
Etymograph / systemmate