The Homeric Greek word ὄφελος
Word ὄφελος
ó pʰ e l o ς
IPA opʰelos
Meaning furtherance, advantage, help
See also Linear B: o-pe-ro ‘advantage, benefit, debt, deficiency’
Proto-Indo-European: *obʰelos ‘benefit, advantage’
Synonyms ἄρκεσις, ἄρος, ἐπαρήγω, ὄνειαρ, ὄνησις, χραίσμη

Comments
Iliad

Other words that might be of interest
δρηστοσύνη ‘service’