con'fluence: Lat. con, together, and fluere, to flow.

con'tinent: Lat. con, together, and tenere, to hold.

con'tour: Lat. con, together, and tornus, a lathe.

coun'ty: Fr. comte, from Lat. comitatus, governed by a count.

degree': Lat. de, and gradus, a step

diam'eter: Gr. dia, through, and metron, measure.

Equa'tor: Lat. equus, equal.

es'tuary: Lat. æstuare, to boil up, or be furious, the reference being to the commotion made by the meeting of a river-current and the tide.

frig'id: Lat. frigidus, from frigere, to be cold.

geog'raphy: Gr. ge, the earth, and graphe, a description.