English
extraterminal
From extra- + terminal.
Proto-Indo-European *h₁éǵʰs ‘out’
Proto-Indo-European *h₁eǵʰsteros
Proto-Italic *eksteros
Latin exter ‘being on the outside’
Latin extrā ‘outside, except, beyond’
English extra-
Proto-Indo-European *térmn̥ ‘boundary, end’
Proto-Italic *termn̥ ‘boundary stone’
Proto-Italic *term(e)nos ‘boundary stone’
Latin terminus ‘a bound, boundary, limit, end’
Late Latin terminalis ‘pertaining to a boundary or to the end,…’
English terminal
Today it means
adj Outside a terminus
Language periods are conventional ranges, not dates for this word.
Etymograph / extraterminal