to chant / to recite / to moan / to groan / cry (of certain animals and insects) / song (ancient poem)
吟
=
今
+
口
:
Maud Younger (y) has a rip off calendar (今) with images of what to eat each day in the encampment's kitchen ((e)n2). Every morning she rips off one page, discovers that she is supposed to eat a mandarin (口) and groans (吟).