courtesy / curtesy [ˈkɜrtɪsi]
courtesy – n. – 1. courteous behaviour, good manners; 2. a courteous act; 3. archaic = curtsy
curtesy – n. – the future potential interest that a husband has in all real estate in which his wife has an estate of inheritance arising upon the birth to them of a child alive and capable for an instant of inheriting from her the interest at common law and that is as often defined by statue, a life estate for his life or sometimes a ⅓ interest in fee which becomes consummate upon his surviving his wife and thereby having the right of enjoyment