Out of earshot (of somebody/something) American adjective phrase informal
When you are within earshot of someone/something, you are close enough to hear them. But when you are out of earshot, you are too far away to be able to hear them.
We waited until he was completely out of earshot before we talked about it.
She moved to the far side of the couch, as if to get out of earshot of his speaking.
The sound made when the ball hits the bat in cricket
This phrase refers to the sound of a bell.
Used to ask someone whether they hear or understand you
1. To be filled with sound or to prolong the duration of the sound.
2. To harmonize with, or conform to something else.
3. To remind someone about something or evoke a sense of connection with something.
4. To be associated with a specific quality.
I'm delighted I'm on the phone with you (or other calling platform). The phrase expresses delight in hearing the person's voice.
Earshot is a noun and out of earshot can be used as an adjective to describe someone/something.
I was out of earshot and could not know what they were talking.
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Although the literary origin could not be traced accurately, it can be said to be one of the phrases which derives from the real life conversion of an event into an idiom.