gnomology
A collection of, or a treatise on, maxims, grave sentences, or reflections.
obsolete
wisest men have also taught in their ethical precepts and Gnomologies
Where it comes from
From Ancient Greek γνωμολογία (gnōmología) from γνώμη (gnṓmē, “judgement, maxim”) + -λογία (-logía, “study”) (from λέγω (légō, “gather, pick up”), see anthology). Compare French gnomologie.
Adapted from the Wiktionary entry gnomology (CC BY-SA 4.0).