X attend upon

Strong’s Dictionary of Greek Words:

Greek:
εὐπρόσεδρος
Transliteration:
euprosedros
Phonic:
yoo-pros’-ed-ros
Meaning:
from 2095 and the same as 4332; sitting well towards, i.e. (figuratively) assiduous (neuter, diligent service)
KJV Usage:
X attend upon