English
interstellar
From inter- + stellar.
A compound of inter- + stellar
Proto-Indo-European *h₁én ‘in’
Proto-Indo-European *h₁entér ‘between’
Proto-Italic *n̥ter ‘between’
Latin inter ‘between’
English inter-
Proto-Indo-European *h₂eHs- ‘to be dry, to dry’
Proto-Indo-European *h₂stḗr ‘star’
Proto-Italic *stērlā ‘star’
Latin stēlla ‘a star’
Latin stēllāris ‘of or pertaining to a star’
English stellar
Today it means
adj Between the stars.
Language periods are conventional ranges, not dates for this word.
Etymograph / interstellar