בַּר הָכֵי

ביטוי (אנגלית)

Bar Hakei/ expert/ man of ability

הגדרה (אנגלית)

Figuratively: an expert. One who knows the matter well. A person capable of doing the thing (literally from Aramaic: son of thus).

(Read here (these words) 'to establish for his brother there,' and this is not Bar Hakei - Yevamot 91b)