cycloscope

English

Etymology

Etymology tree

Proto-Indo-European *kʷel-

Proto-Indo-European *kʷékʷlos

Ancient Greek κῠ́κλος (kŭ́klos)der.

Late Latin cyclusbor.

Middle English cicle

English cycle

▲

Ancient Greek κύκλος (kúklos)

Proto-Indo-European *-kos

Ancient Greek -κός (-kós)

Ancient Greek -ικός (-ikós)

Ancient Greek κυκλῐκός (kuklĭkós)bor.

Classical Latin cyclicuslbor.

Middle French cyclique

French cycliquebor.

▲

Classical Latin cyclicusbor.

English cyclic

English cyclo-

Proto-Indo-European *speḱ-

Proto-Indo-European *-yeti

Proto-Indo-European *spéḱyeti

Proto-Hellenic *sképťomai

Ancient Greek σκέπτομαι (sképtomai)

Proto-Indo-European *-ós

Proto-Hellenic *-ós

▲

Ancient Greek -ος (-os)influ.

Ancient Greek -ός (-ós)

Ancient Greek σκοπός (skopós)

Proto-Indo-European *-eti

Proto-Indo-European *-eyéti

Proto-Indo-European *-esyéti

Proto-Indo-European *-éh₁ti

Proto-Indo-European *-yeti

Proto-Indo-European *-éh₁yeti

Proto-Indo-European *-yeti

Proto-Indo-European *-éyeti

Ancient Greek -έω (-éō)

Ancient Greek σκοπέω (skopéō)der.

English -scope

English cycloscope

From cyclo- + -scope.

Noun

cycloscope (plural cycloscopes)

A machine for measuring the velocity of rotation, as of a wheel of a steam engine.

References

Edward H[enry] Knight (1877), “Cycloscope”, in Knight’s American Mechanical Dictionary. […], volumes I (A–GAS), New York, N.Y.: Hurd and Houghton […], →OCLC.
“cycloscope”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.