Definition (full): something, falling off, a self-sown crop, a freshet
Strong's Exhaustive Concordance
From caphach; something (spontaneously) falling off, i.e. A self-sown crop; figuratively, a freshet -- (such) things as (which) grow (of themselves), which groweth of its own accord (itself).
KJV: That which groweth of its own accord of thy harvest thou shalt not reap, neither gather the grapes of thy vine undressed: for it is a year of rest unto the land.
NASB: 'Your harvest's aftergrowth you shall not reap, and your grapes of untrimmed vines you shall not gather; the land shall have a sabbatical year.
KJV: A jubile shall that fiftieth year be unto you: ye shall not sow, neither reap that which groweth of itself in it, nor gather the grapes in it of thy vine undressed.
NASB: You shall have the fiftieth year as a jubilee; you shall not sow, nor reap its aftergrowth, nor gather in from its untrimmed vines.
KJV: And this shall be a sign unto thee, Ye shall eat this year such things as grow of themselves, and in the second year that which springeth of the same; and in the third year sow ye, and reap, and plant vineyards, and eat the fruits thereof.
NASB: 'Then this shall be the sign for you: you will eat this year what grows of itself, in the second year what springs from the same, and in the third year sow, reap, plant vineyards, and eat their fruit.
KJV: And this shall be a sign unto thee, Ye shall eat this year such as groweth of itself; and the second year that which springeth of the same: and in the third year sow ye, and reap, and plant vineyards, and eat the fruit thereof.
NASB: "Then this shall be the sign for you: you will eat this year what grows of itself, in the second year what springs from the same, and in the third year sow, reap, plant vineyards and eat their fruit.