LAT

Lewis Short

(adjective) : per-dĭus, a, um, dies
* All day long, the livelong day (post-class.): stare solitus Socrates dicitur, pertinaci statu perdius atque pernox,Gell. 2, 1, 1; App. M. 5, p. 161, 11; 9, p. 219, 23.
Charlton T. Lewis, Charles Short, A Latin Dictionary

TLL

s. TLL
Thesaurus Linguae Latinae
memory