語を

a language

→ 語
phrase Rare #20,989
a language 語 means “language,” often one associated with a particular people or place; を marks it as the object of a verb such as “speak,” “read,” or “learn.”
JA: クリンゴン語を話せますか?
EN: Can you speak Klingon?

クリンゴン語を話せますか?

Can you speak Klingon?

私の夢のひとつはアイスランド語を学ぶことだ。

One of my dreams is to learn Icelandic.

リトアニア語を話せますか?

Can you speak Lithuanian?

そうだよ、アトランティス語を読めるよ、君のようにね。

That's right, I can read Atlantean, just like you.

— アトランティス 失われた帝国 (2001)