Wordskills Lesson 4

Proto (first) typ (model) one Greek Mono Monocle Mono (one) ocul (eye) Proto Prototype Proto (first) typ (model) Latin Uni Unify Uni (one) fy (make)

Di (two) cephal (head) ous (full of) Greek Di Dicephalous Di (two) cephal (head) ous (full of) Latin Du (duo) Duet Du (two) et (small) Duplex Du (two) plex (strike)

(tri (three) ply (fold) Tri (three) plex (strike) Greek Tri Triple (tri (three) ply (fold) Latin Tri Triplex Tri (three) plex (strike)

Tretra (four) hedron (faces) Latin Quadr (quart) Quadrilateral Greek Tetra Tetrahedron Tretra (four) hedron (faces) Latin Quadr (quart) Quadrilateral Quadr (four) later (side) Quarter (quart (four) – one four

Penta (five) gon (side, angle) Quint (five) et (small) Greek Penta Pentagon Penta (five) gon (side, angle) Latin Quint Quintet Quint (five) et (small)

Sex (one sixth of a circle) Hexa (six) gon (side, angle) Latin Sex (ses) Sextant Sex (one sixth of a circle) A sextant is a navigational instrument for measuring altitude and is graduated into sixths of a circle. Greek Hexa Hexagon Hexa (six) gon (side, angle)

Hepta (seven) arch (rule) Greek Hepta Heptarchy Hepta (seven) arch (rule) Latin Septa September Septe (seven) In the original calendar – September was the seventh month.

Octa (eigth) gon (angle) Octa (eight) hedron (face) Greek Octa Octagon Octa (eigth) gon (angle) Latin Octa (octo) Octahedron Octa (eight) hedron (face) October

Ennea (nine) gon (angle) Nona (nine) gen (born) ian (one who) Greek Ennea Ennead Ennea (group of nine) Enneagon Ennea (nine) gon (angle) Latin Nona (novem) Nonagenarian Nona (nine) gen (born) ian (one who) *it means someone who is in his/her 90’s November

(dec) ten) athlon (contest) Latin Dec Decimal Dec (tenth) Decimate Dec (one tenth) *derives from the Roman soldiers’ practice of killing one of every ten of the enemy December Greek Dec Decade Dec (ten) Decathlon (dec) ten) athlon (contest)

Duodec (twelve fingers) Latin Duodec Duodecimal duodec (one twelveth) Duodenum Duodec (twelve fingers) *the small intestine – named because it was “twelve fingers” long Greek

Hecto (100) metr (measure) hundred Greek Hect Hectometer Hecto (100) metr (measure) Latin Cent Century Cent (hundred)

Mill (thousand) metr (measure) Greek Kilo Kilometer Kilo (1000) metr (measure) *means on thousand meters Latin Mill Millimeter Mill (thousand) metr (measure) * means 1/1000 of a meter

billion Greek Nano Nanogram one billionth of a gram Latin