Definition of advertency in English:

advertency

noun

rare
  • The quality or habit of being advertent or attentive; attentiveness, heedfulness.

Origin

Mid 17th century; earliest use found in Devotions Helpe Christian People. From post-classical Latin advertentia advertence; compare -ency.

Pronunciation:

advertency

/ədˈvəːt(ə)nsi/