grow pale; blanch; fade
Latin word, found 16 times in the texts on Socratos.
Ovid, Ars Amatoria 3.704: Pallescunt frondes, quas nova laesit hiemps,
Ovid, Metamorphoses 8.759: et pariter frondes, pariter pallescere glandes
Horace, Ars Poetica 429: pallescet, super his etiam stillabit amicis
All forms of pallesco