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The combining form -pterous is used like a suffix meaning “having wings” of a certain number or type. It is often used in scientific terms, especially in zoology. Very occasionally, -pterous refers to fins.

The form -pterous comes from the Greek ��ٱ��ó��, meaning “feather” or “wing.” And yes, pterodactyl also comes from the Greek ��ٱ��ó��. Find out the connection at our entry for the impressive name of this ancient winged reptile.

Other combining forms closely related to -pterous include ptero-, pter-, and -pter. Discover their over-flapping—er, overlapping—senses at our 51�Թ�s That Use articles for the words. Also related to -pterous is pterygo-, connected to pterygoid, and pterido-, which is used for ferns.

The word brachypterous, meaning “having short wings,” is an example of a scientific term that features the combining form -pterous.

The first part of the word, brachy-, means “short.” As we now know, -pterous means “having wings.” Brachypterous literally translates to “short-winged.” Greek roots can really help your word skills take flight!

What are some words that use the combining form –pterous?

Many words in English that contain -pterous actually derive from the equivalent form of -pterous in Greek or Latin, as noted below.

• apterous (using the equivalent form of -pterous in Greek)
• dipterous (using the equivalent form of -pterous in Greek)
• macropterous
• micropterous
• orthopterous (using the equivalent form of -pterous in New Latin)
• tetrapterous (using the equivalent form of -pterous in Greek)

What are some other forms that -pterous may be commonly confused with?

• –ptosis
• ptyalo-

The combining form macro- means “large.” With this in mind, what does macropterous mean?