関連ワード:
which is the first language used in the world which is the first most language spoken in the world which is the first widely spoken language in the world which is the first largest spoken language in the world which is the first language in the world which is the first language in the world tamil or sanskrit which is the first language in the world wikipedia which is the first language in the world tamil which is the first language in the world tamil or kannada which is the first most widely spoken language in the world
