fundus

C2+ Topic:Space, Position & Direction

US /ˈfʌndəs/ UK /ˈfʌndəs/ See IPA manual

Meanings

1

noun
the base or interior surface of a hollow organ opposite its opening

The doctor examined the fundus of the eye for signs of damage.

Thesaurus

Synonyms

1 noun · the base or interior... base floor bottom

Word family

Derived forms fundalfundic

Related forms fundfundamentprofound found

Etymology

A Latin loanword in anatomical use, from Latin fundus ('bottom, base, foundation'), from a Proto-Indo-European root *bʰudʰ- ('bottom').

fundus Latin *bÊ°udÊ°mÃ©n Proto-Indo-European

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# fundus

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

## Meanings
1. the base or interior surface of a hollow organ opposite its opening

## Examples
- The doctor examined the fundus of the eye for signs of damage.

## Synonyms
- base
- floor
- bottom

## Derived Forms
- fundal
- fundic

## Related Forms
- fund
- fundament
- profound
- found

## Etymology
A Latin loanword in anatomical use, from Latin fundus ('bottom, base, foundation'), from a Proto-Indo-European root *bʰudʰ- ('bottom').

## AI Etymology
Fundus is a Latin loanword in anatomical use, from Latin fundus ('bottom, base, foundation'), from a Proto-Indo-European root *bʰudʰ- ('bottom'). The development is chiefly a borrowing or learned continuation, carrying an older form and meaning into English rather than building the word from a purely native base. In present use, it is used as a noun meaning "the base or interior surface of a hollow organ opposite its opening", so the historical material remains connected with the current sense rather than standing as bare ancestry. The wider English family includes derivatives such as fundal and fundic and related forms such as fund, fundament, profound, and found, showing how the same historical material continues to organize neighboring vocabulary. The named historical forms include Latin fundus and Proto-Indo-European *bÊ°udÊ°mÃ©n, keeping the history tied to concrete forms rather than a loose resemblance. Its semantic neighborhood includes base, floor, and bottom, locating the modern specialization without adding a new origin story.

## Topics
- Space, Position & Direction

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