the churching of a woman; a ceremony at church to bless a woman who has recently given birth; a woman's first time standing back up, or more generally, her period of recovery, after having given birth; assistance provided to the parents of a newborn baby
“À peine la messe de relevailles dite, Chiara apprend que ses trois enfants, nés d’un premier lit, sont morts de la peste à Milan et qu’elle doit se séparer de Girolamo, dont le père se juge seul capable de dispenser la première éducation.” — The churching mass had barely been said when Chiara learned that the three children of her first marriage had died of the plague in Milan, and that she had to separate from Girolamo, whose father considered himself able of raising the child alone.
From se relever (“to stand back up”) + -aille.