Learn on PengiVocabulary from Latin and Greek Roots, Level IXUnit 1 ~ Unit 4

Ch 1.1: Unit 1

The Greek root PHOT/PHOS means "light." Get ready to see how these words shine!

Section 1

Root PHOT/PHOS: Light

The Greek root PHOT/PHOS means "light." Get ready to see how these words shine!

Key Words

WordDefinition
phototropic (adj.)Tending to grow or move towards light
phosphorescent (adj.)Giving off light without heat
photogenic (adj.)Attractive in pictures or photographs

Example Usage

  • I joke that my cat is phototropic because she always finds the single patch of sun in the room to nap in.
  • Because he was not considered very photogenic, Sven preferred to be the one taking the pictures rather than being in them.

Section 2

Root LUC: Light

The Latin root LUC also means "light." These words are all about bringing clarity and brightness.

Key Words

WordDefinition
lucid (adj.)Easy to understand; clear
elucidate (v.)To make clear by explaining
translucent (adj.)Allowing light to pass through

Example Usage

  • Nina tried to elucidate the meaning of the difficult passage by paraphrasing it for the class.
  • The lampshade was made of a beautiful translucent paper that cast a warm, gentle glow.

Section 3

Root SPEC: To Look At

From the Latin root SPEC, meaning "to look at," come words that involve seeing, watching, and expecting.

Key Words

WordDefinition
circumspect (adj.)Careful; mindful of rules and consequences
prospect (n.)That which is looked forward to; an expectation
specter (n.)A ghost or phantom

Example Usage

  • When Roger saw the specter lurking in the hallway, he ran back to his room and hid under the covers.
  • Carl was always circumspect when investing his money, as he feared losing his savings.

Section 4

Root VID: To See, To Look

The Latin root VID means "to see" or "to look." Let's see what words come from this root.

Key Words

WordDefinition
invidious (adj.)Hateful or spiteful
providential (adj.)Happening by good fortune; lucky
improvise (v.)To create without any forethought or preparation

Example Usage

  • The actor had to improvise his lines because he had forgotten them in the middle of the scene.
  • It was a providential turn of events when the bus I missed broke down, and the next one got me to my interview on time.

Book overview

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  1. Lesson 1Current

    Ch 1.1: Unit 1

  2. Lesson 2

    Ch 1.2: Unit 2

  3. Lesson 3

    Ch 1.3: Unit 3

  4. Lesson 4

    Ch 1.4: Unit 4

Lesson overview

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Section 1

Root PHOT/PHOS: Light

The Greek root PHOT/PHOS means "light." Get ready to see how these words shine!

Key Words

WordDefinition
phototropic (adj.)Tending to grow or move towards light
phosphorescent (adj.)Giving off light without heat
photogenic (adj.)Attractive in pictures or photographs

Example Usage

  • I joke that my cat is phototropic because she always finds the single patch of sun in the room to nap in.
  • Because he was not considered very photogenic, Sven preferred to be the one taking the pictures rather than being in them.

Section 2

Root LUC: Light

The Latin root LUC also means "light." These words are all about bringing clarity and brightness.

Key Words

WordDefinition
lucid (adj.)Easy to understand; clear
elucidate (v.)To make clear by explaining
translucent (adj.)Allowing light to pass through

Example Usage

  • Nina tried to elucidate the meaning of the difficult passage by paraphrasing it for the class.
  • The lampshade was made of a beautiful translucent paper that cast a warm, gentle glow.

Section 3

Root SPEC: To Look At

From the Latin root SPEC, meaning "to look at," come words that involve seeing, watching, and expecting.

Key Words

WordDefinition
circumspect (adj.)Careful; mindful of rules and consequences
prospect (n.)That which is looked forward to; an expectation
specter (n.)A ghost or phantom

Example Usage

  • When Roger saw the specter lurking in the hallway, he ran back to his room and hid under the covers.
  • Carl was always circumspect when investing his money, as he feared losing his savings.

Section 4

Root VID: To See, To Look

The Latin root VID means "to see" or "to look." Let's see what words come from this root.

Key Words

WordDefinition
invidious (adj.)Hateful or spiteful
providential (adj.)Happening by good fortune; lucky
improvise (v.)To create without any forethought or preparation

Example Usage

  • The actor had to improvise his lines because he had forgotten them in the middle of the scene.
  • It was a providential turn of events when the bus I missed broke down, and the next one got me to my interview on time.

Book overview

Jump across lessons in the current chapter without opening the full course modal.

  1. Lesson 1Current

    Ch 1.1: Unit 1

  2. Lesson 2

    Ch 1.2: Unit 2

  3. Lesson 3

    Ch 1.3: Unit 3

  4. Lesson 4

    Ch 1.4: Unit 4