существительное B2

kehtivusaeg

millegi jõus olemise, kehtimise aeg

По-русски: срок действия

Склонение

ПадежЕд. числоМн. число
Именительныйkehtivusaegkehtivusajad
Родительныйkehtivusajakehtivusaegade
Частичныйkehtivusaegakehtivusaegu

Estly.ee is developed by Amekage OÜ,

The platform is primarily designed and architected by Joosep Wong, with the goal of making Estonian vocabulary easier to discover, remember, and practise through digital tools and interactive learning methods.