ἀθροισμός
From LSJ
Ποιητὴς, ὁπόταν ἐν τῷ τρίποδι τῆς Μούσης καθίζηται, τότε οὐκ ἔμφρων ἐστίν → Whenever a poet is seated on the Muses' tripod, he is not in his senses
English (LSJ)
ὁ,
A = ἄθροισις, Thphr. CP1.10.7, cf. Epicur.Ep.2p.38U., Nat.14.4, S.E.P.3.188; μισθοφόρων Max.Tyr.6.7; condensation, Thphr.CP5.2.1. ἁθροιστέον, one must collect, X.Lac.7.4.