From herkos (a fence; perhaps akin to horion); a limit, i.e. (sacred) restraint (specially, an oath) -- oath.

see GREEK horion

ὅρκον (orkon) − 2 Occurrences

ὅρκος (orkos) − 1 Occurrence

ὅρκου (orkou) − 2 Occurrences

ὅρκους (orkous) − 3 Occurrences

ὅρκῳ (orkō) − 2 Occurrences