Greek and Latin Roots

SeptemLatin seven September – seventh month in the Roman calendar Septennial – (annus – year) – seven year period or celebration Septangle – (angulus – corner) – a plane(flat) figure with seven sides and seven angles Septuagenarian – (septuageni – seventy each) person who is 70 to 79

OctoLatin eight October – eighth month of the Roman calendar Octopus – (pous, podos (Gr.) – foot) – eight footed ocean creature Octogenarian – (octogeni – 80 each) – person between 80 and 89 Octagon – (gonia(Gr.) – angle) – figure with eight sides and eight angles Octennial – (annus – year) – eight year period or celebration

NovemLatin nine November – ninth month in the Roman calendar Novena – devotions for nine days in the Roman Catholic church Novennial (annus – year) – nine year period or celebration Novemdigitate – (digitus – finger) having nine fingers or toes Novendial – (dies – day) lasting nine days

Decem Latin ten December – tenth month in the old Roman calendar Decennial – (annus – year) – tenth anniversary Decemdentate – (dens, dentis – tooth) – having ten teeth Decemfoliate – (folium – leaf) having ten leaves Decempedal – ( pes, pedis – foot) having ten feet Decade – ten year period

CentumLatin hundred Cent - one hundredth of a dollar Century – a set of one hundred Centurion – Roman military officer over 100 men Centimeter – (metron measure) – one hundredth of a meter Percent – (per – through) – number of parts in every hundred centigrade – (gradus – step, degree) – temperature scale with one hundred degrees between freezing and boiling

Mille Latin thousand Mile – a thousand paces(1 pace = 2 steps) Mill – one thousandth of a dollar Millimeter – (metron – measure) – one thousandth of a meter Millennium – (annus – year) thousand year period Millipede – (ped, pedis – foot) – thousand footed bug

Pyro Greek fire Pyrotechnics – (techne-work, skill) – fireworks Pyrotechnician - (techne-work, skill) – one who is skilled with fireworks Pyre – huge bonfire for burning bodies at ancient funerals (and even today in India) Pyromaniac – (mania-craze) – a crazy person who plays with fire Empyrean – (em-in) – the heavens – hone of the fiery sun Pyrometer – (metron – measure) – instrument to measure very hot temperatures

Ignis Latin fire Igneous – (ous(E.)-full of) – pertaining to fire Ignite – to set fire to Ignition – act of firing up or starting an engine; setting anything afire

VulcanusLatin Vulcan – Roman god of fire Volcano – a crack in the earth pouring out hot magma and hot glass Volcanic – like or pertaining to volcanoes Vulcanize – to treat raw rubber with heat and sulphur to make it harder and more durable Vulcanite – hard rubber, treated with heat and sulphur Vulcanology – (logos-word, study) – the study of volcanoes

Hydros Greek water Hydroplane – (L. planus-flat surface) – boat that glides on the surface of the water Hydrophobia – (phobos-fear) – fear of water Dehydrate – (de-down, away from) – take water away Hydrogen – (genos-origin) – a gas which, when burned, produces water Hydrophone – (phone-sound) – instruments to hear under water Hydrology – (logos-study, word) study of water

AquaLatin water Aquarium – a pond or tank of water where fish or water plants can live Aqueduct – (duco, ductum- lead) – a structure for bringing water to where it is needed Aquatics – pertaining to water usually sports Aquamarine – blue-green color of water Aquarius – a constellation call Water Carrier Aquifer – (fero, latum-carry) a layer under the earth where water flows

BonusLatin good Bonus – something extra good Bon Bon(French) – beautifully decorated candy Bonny(Scottish) – good looking Boon – a good deed; favor Bounteous (-ous-full of) – plentiful good Bounty – plenty or reward Bonanza(Spanish-fair weather, prosperity) – rich find in a gold mine Debonaire(Fr.-of good disposition) – kindly, jaunty