The Homeric Greek word θεσμός
Word θεσμός
tʰ e s m ο. ς
IPA tʰesmos
Meaning that which is laid down, law, ordinance
See also Ancient Macedonian: δέημος ‘law, bond’
Synonyms νόμος, θέμις

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Odyssey

Other words that might be of interest
δικασπολέω ‘judge’, σταθμόομαι ‘form an estimate, judge’, ἀθεμίστιος ‘lawless, godless’, ἀθεμιστία ‘lawlessness’, αἰσυμνήτης ‘judge, umpire’, μνηστεύω ‘court, seek in marriage’