It seems to have been adapted from the term 'play for love' (i.e to play for nothing).
There has been conjecture that it is derived from 'l'oeuf', which means an egg, because of the shape of the egg is the same as zero.
In tennis, "love" means a score of zero.
In tennis, the term "love" is used to represent a score of zero. So, when the score is "love" in tennis, it means that one player has zero points.
"Love" is a score in the game of tennis.
In tennis, love is considered a score.
The word love in tennis is a corresponding call in scoring of it and the meaning of love in tennis is 0.
It is a tennis score, meaning that the server has no points
tennis...love means a score of 0
Zero.
In tennis, "30 love" means that the serving player has a score of 30 points while the opponent has a score of zero points.
tennis
0 (zero)
The term "Love' is used in the game of tennis to refer to 0 or zero score. For example, if I were serving and had lost 2 consecutive points the score would be 0-30 or love-30. Also, at the beginnings of each set 0-0 score for both players, it can be called "love-love"