Reseptien
Reseptien is the genitive plural form of resepti. In Finnish, resepti can refer to a cooking recipe or a medical prescription. As a genitive plural, reseptien is used to indicate possession or relation to more than one recipe or prescription, for example reseptien sisältö (the contents of the recipes), reseptien mukaan (according to the recipes), reseptien tekijät (the authors of the recipes). In medical contexts, you might encounter phrases like reseptien voimassaoloaika (the validity period of prescriptions) or reseptien kirjoittajat (the prescribers).
Grammar and usage notes: Reseptien is formed by adding the genitive plural ending -en to the plural
Etymology: Resepti is a loanword in Finnish, connected to the sense of instructions or directions. It appears