1. a combining form meaning “sea,” used in the formation of compound words:


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Word History and Origins

Origin of thalasso-1

Combining form representing Greek thálassa sea


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Words That Use thalasso-

What does thalasso- mean?

Thalasso– is a combining form used like a prefix meaning “sea.” It is occasionally used in a variety of scientific and technical terms.

Thalasso– comes from Greek thálassa, meaning “sea.” The Latin translation of thálassa is mare, also meaning “sea,” which is the source of words such as marine and maritime. Check out our entries for both words to learn more.

What are variants of thalasso-?

When combined with words or word elements that begin with a vowel, thalasso– becomes thalass-, as in thalassic.

Examples of thalasso-

An example of a technical term that features thalasso– is thalassocrat, “a nation that has dominion over the seas.”

We know thalasso– means “sea,” and the crat portion of the word refers to “ruler,” from Greek –kratēs. Thalassocrat literally translates to “sea ruler.”

What are some words that use the combining form thalasso– or thalass-?

What are some other forms that thalasso– may be commonly confused with?

Break it down!

The combining form graphy is used to denote a process of drawing, representing, or recording. With this in mind, what is the practice of thalassography?