English
submirrorsubmirror
From sub- + mirror.
Formed from sub- + mirror
Proto-Indo-European *upó ‘up; from below’
Proto-Italic *supo ‘under’
Latin sub ‘under, beneath, below’
English sub-
Proto-Indo-European *(s)mey- ‘to laugh, to be glad’
…
Latin mīror ‘wonder at’
Old French mirer ‘mirror (lit. looker)’
Old French mireor
Middle English mirour ‘a mirror’
English mirror
Today it means
noun A secondary or subsidiary mirror.
Sources
Sources: Wiktionary, “submirror”. 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 / submirror
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