Yap.Town

大家

leading authority

o̞ː j a̠
大 large; great; very (as an intensifier) + 家 home; house
noun Rare #44,938
leading authority An eminent, highly respected expert in a particular field.
JA: 彼は経済学の大家です。
EN: He is a leading authority in economics.

あの人は物理学の大家です。

That person is a renowned authority in physics.

彼は経済学の大家です。

He is an authority on economics.

Sounds similar to

いや i j a̠ 親 o̞ j a̠ おや o̞ j a̠ 応用 o̞ː j o̞ː 王座 o̞ː z a̠ 王者 o̞ː ʑ a̠