More simply stated a "beck" is a silent summoning, as in a nod or other gesture or a beacon, and a "call" is a sounded summoning, as in a shout or other type of oral command or a bugle or drum.
"Although the word 'beck' used outside of 'beck and call' is archaic and rarely heard today, it's really only a shortened form of our familiar word 'beckon,' meaning 'to make a mute signal or gesture,' especially to call a person over to you. 'Beckon,' in turn, comes from an old Germanic word meaning 'signal,' from which we also derive the modern English word 'beacon.'"As a verb, 'beck' first appeared around 1300 A.D. ('beckon' is a bit older, first showing up around 950). The phrase 'beck and call' is much more recent, dating only to about 1875."
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I use this site often and this is my first time making a comment but I reluctantly think both above answers are wrong. I cannot back up my answer with theory and history as the previous people have done nor do I have time. I always thought it is most correct to say that, for example: I will be at your "BECKONED CALL". I welcome any of you grammar guru's to judge my answer. For now I will stick with my answer but will keep an open mind until I get a better explanation. Thanks!
Thought to originated around the 14th century, it was used in context to servants A 'beck' ( which is short for Beckon ) is a silent signal, such as a nod of the head or a motion with the forefinger. The Call is there if the servant did not see the the 'Beck' Hence Beck and Call.
To make a significant sign to; hence, to summon, as by a motion of the hand., A sign made without words; a beck.
To beckon someone is a way for one to call out to another person, and get their attention. Beckoning someone is often done to call someone over to one's location.
You beckon someone. Beckon is a transitive verb, so it takes an object (someone) to whom you are signaling or calling.
To be at one's beck and call.
beck and call
The antonym of beckon is repel.
Kim Beckon's birth name is Kimberly Anne Beckon.
repulse or repel are antonyms for beckon.
Beck and Call - 2004 TV was released on: USA: 2004
to summon or call upon or appear inviting; "The shop window decorations beckoned"
A beck is a small stream or river, or a nod or motion of the head as a call or command.