Etymograph

English

catopter

Catopter comes from Ancient Greek κάτοπτρον ‘mirror’, from καθοράω ‘to behold’, and ultimately from Proto-Indo-European *wer- ‘to watch, guard’.

  1. Proto-Indo-Europeanc. 4500–2500 BCE*wer-1‘to watch, guard’reconstructed
  2. Ancient Greekc. 800–300 BCEὁράω2‘to look with the eyes’
  3. Ancient Greekc. 800–300 BCEκαθοράω3kathoráō‘to behold’
  4. Ancient Greekc. 800–300 BCEκάτοπτρον4kátoptron‘mirror’
  5. Englishearliest quotation 1885catopter4

attested reconstructed ? uncertain or disputed deepest recorded ancestor

  1. 1 Wiktionary, Ancient Greek ὁράω
  2. 2 Wiktionary, Ancient Greek καθοράω
  3. 3 Wiktionary, Ancient Greek κάτοπτρον
  4. 4 Wiktionary, English catopter
  5. Earliest quotation in Wiktionary’s entry: 1885, C.M. Van Wagenen: “My Cat whose black fur was so glossy and…”.

Lineage

  1. Proto-Indo-Europeanc. 4500–2500 BCE*wer-Wiktionary, Ancient Greek ὁράω‘to watch, guard’reconstructed
  2. Ancient Greekc. 800–300 BCEὁράωWiktionary, Ancient Greek καθοράω‘to look with the eyes’
  3. Ancient Greekc. 800–300 BCEκαθοράωWiktionary, Ancient Greek κάτοπτρονkathoráō‘to behold’
  4. Ancient Greekc. 800–300 BCEκάτοπτρονWiktionary, English catopterkátoptron‘mirror’
  5. Englishearliest quotation 1885catopterWiktionary, English catopter. Earliest quotation in Wiktionary’s entry: 1885, C.M. Van Wagenen: “My Cat whose black fur was so glossy and…”

Linked words

through Proto-Indo-European *wer- ‘to watch, guard’

wear, guard, ward, regard, con, garage, warn, worm, beware, garrison, ware, weir, verge, optic, reverence, revere, wry, vermin, prosaic, guaranty, vermilion, milliner, varmint, vermicelli, vermeil, vermiculite, 67 more

through Ancient Greek ὁράω ‘to look with the eyes’

panorama, diorama, 5 more

Today it means

noun A reflecting optical glass or instrument; a mirror.

Sources

Sources: Wiktionary, “catopter”; the older steps come from the Wiktionary entries for Ancient Greek ὁράω, Ancient Greek καθοράω, Ancient Greek κάτοπτρον. 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 / Proto-Indo-European *wer- / catopter

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