This is the 641st most frequent Hebrew word.
יד
"Hand."
The word 'יד' here signifies a hand as a part of the body.
יד אחת אינה מוחאת כפיים.
One hand does not clap.
The word 'יד' is used metaphorically to describe ownership related to the 'hand', as in 'handwriting'.
הוא כתב לי מכתב בכתב ידו.
He wrote me a letter in his handwriting.
The word 'יד' is utilized figuratively to represent assistance or support, as in the phrase 'a supporting hand'.