”energy”, lit.”virility”, ”manliness” or ”heroism” (from vi^ra, man, hero; Lat. vir; cf. virtus), is one of the 5 spiritual faculties and powers (s. bala), one of the 7 factors of enlightenment (s. bojjhanga) and identical with right effort of the 8-fold Path (s. magga). For further explanations, s. padha^na.