Fathom
'fæðəm
Definitions
2 meaningsA unit of length in the imperial and U.S. customary systems, equal to six feet (1.8288 meters), chiefly used for measuring the depth of water.
'fæðəm
A unit of length.
The divers descended to a depth of forty fathoms.
💡 Simply: Imagine you're on a boat and want to know how deep the water is. A fathom is a way of measuring that depth, like six big steps down into the water. Think of it as the distance you could reach out with your arms.
👶 For kids: A fathom is how long something is when you stretch out your arms!
More Examples
The ancient charts indicated the location of the shipwreck at a depth of about 50 fathoms.
How It's Used
"The ship's sonar measured the depth at ten fathoms."
To understand (a difficult problem or an enigmatic person) after much thought.
'fæðəm
To understand something.
It's hard to fathom why he would do such a thing.
💡 Simply: Imagine trying to figure out a really tricky puzzle or problem. When you finally understand it, you've 'fathomed' it! Like when you finally get why your friend was acting weird.
👶 For kids: To fathom is like figuring something out that's hard to understand.
More Examples
I can't fathom how she manages to stay so calm under pressure.
He tried to fathom the depths of her despair.
How It's Used
"It took years for him to fathom the complexities of human behavior."
"She struggled to fathom the motives behind his actions."
Idioms & expressions
Beyond/Out of (one's) fathom
Too difficult or complex to understand.
"The intricacies of quantum physics were beyond his fathom."
From Old English fæthm, meaning 'the span of the arms' or 'embracing'. Originally a unit of length, based on the distance between a person's outstretched hands, later extended to mean 'to understand'.
The word 'fathom' originally referred to the measure of the length of a man's outstretched arms and was used to measure the depth of the sea, dating back to the Middle Ages. The figurative usage developed later.
Memory tip
Think of extending your arms to grasp a large object – that span is approximately a fathom.
Practice
Word Origin
Root: fæthm