1.) "Chrysos" - gold, yellow. One of the most common colors of the chrysanthemum flower is yellow. "Chrysalis" originally referred to the gold-colored pupa of butterflies but now means any insect pupa.

2.) "Planasthai" - to wander. The erratic movements of the planets led the Greeks to call them "wanderers." "Plankton" is so called because it consists of minute plant and animal life that wander or drift in bodies of water.

3.) "Melas" - black. The Greeks believed "melancholia" (sadness) was caused by an excess of black bile. A "melanoma" is a malignant tumor containing dark pigment.

5.) "Gignoskein" - to know. "Know" derives from "gignoskein" through the Latin "gnoscere." An "agnostic" believes that the existence and/or nature of God is unknown or unknowable.

6.) "Pathos" - suffering, experience, feeling. A situation that is pathetic has the capacity to induce feelings, especially pity, in others. Sympathy is having feeling for others, especially for their suffering.

7.) "Tom" - to cut. In an appendectomy, the appendix is cut out. Originally, a tome was a volume cut or separated from a larger work, though "tome" is now used to mean a large book.

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