nósmhaireacht

== Irish == === Etymology === nósmhar +‎ -acht === Noun === nósmhaireacht f (genitive singular nósmhaireachta) customariness, formality, politeness convention, custom, habit ==== Declension ==== ==== Synonyms ==== (customariness, formality, politeness): nósúlacht (convention, custom, habit): cleachtadh, gnás