be enfeebled, weak or faint
Latin word, found 50 times in the texts on Socratos.
Ovid, Amores 1.13.41: Cur ego plectar amans, si vir tibi marcet ab annis?
Ovid, Metamorphoses 7.314: Cuius ut Haemonio marcentia guttura cultro
Horace, Sermones 2.4.58: tostis marcentem squillis recreabis et Afra
All forms of marceo