This is the 4970th most frequent French word.
sous
"Under" or "below."
Here, 'sous' is used as a preposition meaning 'under,' indicating the position of the book in relation to the table.
Le livre est sous la table.
The book is under the table.
In this context, 'sous' conveys a metaphorical sense of 'under,' referring to working under someone's supervision or guidance.
Nous avons travaillé sous la direction du professeur.
We worked under the direction of the professor.
Here, 'sous' describes being beneath or exposed to the influence of the sun while playing.