meditation
From LSJ
ᾗ μήτε χλαῖνα μήτε σισύρα συμφέρει → content neither with cloak nor rug, be never satisfied, can't get no satisfaction, be hard to please
P. and V. σύννοια, ἡ, ἐνθύμησις, η (Euripides, Fragment), φροντίς, ἡ (rare P.), P. ἔννοια, ἡ. P. θεωρία, ἡ.