βαρύσπλαγχνος
From LSJ
περὶ οὐδὲν γὰρ οὕτως ὑπάρχει τῶν ἀνθρωπίνων ἔργων βεβαιότης ὡς περὶ τὰς ἐνεργείας τὰς κατ' ἀρετήν → since none of man's functions possess the quality of permanence so fully as the activities in conformity with virtue
English (LSJ)
βαρύσπλαγχνον, ill-tempered, Ph.2.269.
Spanish (DGE)
-ον de mal carácter, mala entraña Ph.2.269.
German (Pape)
[Seite 435] schwer zürnend, Philo.