amphibian

C2+ Topic:Biology & Genetics

US /æmˈfɪbiən/ UK /amˈfɪbiən/ See IPA manual

Meanings

1

noun
a cold-blooded vertebrate, like a frog, that lives both in water and on land

Frogs, toads, and salamanders are the most familiar amphibians.

Thesaurus

Word family

Derived forms amphibial

Related forms amphibiousamphibia

Simplified etymology

Amphibian comes from Greek amphi, “both,” and bios, “life,” expressing the idea of living both in water and on land. Before it became the specific name for animals such as frogs, toads, and newts, it meant something having two modes of existence or an uncertain nature.

Etymology

From Modern Latin Amphibia, from Ancient Greek amphibios ('living a double life'), from amphi- ('both, around') + bios ('life').

amphibios Ancient Greek amphi- Ancient Greek bios Ancient Greek

View etymology graph ->

Topics

Biology & Genetics Word Formation & Derivatives General Vocabulary

External links

# amphibian

**Type:** Word
**Level:** C2+
**Part of speech:** noun
**IPA (US):** /æmˈfɪbiən/
**IPA (UK):** /amˈfɪbiən/

## Meanings
1. a cold-blooded vertebrate, like a frog, that lives both in water and on land

## Examples
- Frogs, toads, and salamanders are the most familiar amphibians.

## Derived Forms
- amphibial

## Related Forms
- amphibious
- amphibia

## Roots and Affixes
- Root: amphibios
- Root: amphi-
- Root: bios

## Etymology
From Modern Latin Amphibia, from Ancient Greek amphibios ('living a double life'), from amphi- ('both, around') + bios ('life').

## AI Etymology
amphibian comes from Modern Latin Amphibia, from Ancient Greek amphibios ('living a double life'), from amphi- ('both, around') + bios ('life'). Morphologically, the word is transparent as a compound: its parts remain visible in the modern spelling, while the older history of those parts supplies the deeper ancestry. In modern use, the noun sense is "a cold-blooded vertebrate, like a frog, that lives both in water and on land", which keeps the etymology connected to the word's present dictionary value rather than treating it as a merely historical label. The wider word family includes related English forms such as amphibious, amphibia and derivatives such as amphibial, showing how the same base continues to support neighboring English vocabulary. The principal historical forms in the chain include Ancient Greek amphibios, Ancient Greek amphi-, Ancient Greek bios, which anchor the explanation in named linguistic material.

## Topics
- Biology & Genetics
- Word Formation & Derivatives
- General Vocabulary

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