genus
Meaning
A group into which animals, plants, etc. that have similar characteristics are divided, smaller than a family and larger than a species.
A class of things that have common characteristics.
Structure
Usage
The lion and the tiger belong to the same genus, Panthera.
This fossil represents a previously unknown genus of dinosaur.
In philosophy, beauty is often considered a genus with many different species, such as sublime beauty or delicate beauty.
Etymology
The word "genus" entered English directly from Latin, where it meant "birth, origin, race, kind, or type." This Latin term itself is derived from the Proto-Indo-European root ǵenh₁-, a prolific source of words related to procreation and familial relationships, such as "generate," "genesis," and "kin." The core semantic logic of moving from the concrete act of "begetting" to the abstract concept of a "class" or "type" is based on shared origin or common characteristics. In modern biological taxonomy, this logic is preserved, as a genus groups species believed to share a common ancestral origin.
Analysis
- gen: From Latin, from the Proto-Indo-European root ǵenh₁- meaning "to produce, beget, give birth." Its functional role is as a root indicating origin, birth, or kind. - us: A Latin masculine noun suffix, indicating the word is a noun.