In the sense - you are welcome in my house: Vous êtes le bienvenu / la bienvenue In the sense of - thank you - you're welcome: Merci - De rien
You just said it yourself. If you want to say it in another language, you need to say which one.
De rien
You say Thank You in Kisii language of the African origin as Mbuya mono.
To say "you are welcome" in Igbo language, you can say "Ị na-akwụgo."
"Welcome" in Igbo language is "Nnọọ."
Your welcome
welcome
You say "Welcome!" in Yoruba language of the Western African origin as "Ek'abo".
In Odia language, "welcome" can be translated to "ସ୍ଵାଗତ" (swagat).
Welcome in the Malagasy language is "Tonga soa."
In Inuktitut, the language of the Inuit, you can say "qujannamiik" to mean "welcome".
You can say le-le or liyo.https://www.livinglanguage.com/community/discussion/315/saying-youre-welcome-in-japanese-not-recommended