The words patience and compassion come from the Indo-European root *péi- Also pe-, pi-. 'To hurt'. Derivatives: fiend (a diabolically evil or wicked person, from Old English feond, enemy, devil, hating, hostile), passible, passion, passive, patient (Latin patiens), compassion, (these words from Latin pati, to suffer). [Pokorny pe(i)- 792. Watkins]
The Medieval Bestiary said the peacock had the voice of a fiend:
"... he hath the voice of a fiend, head of a serpent, pace of a thief. For he hath an horrible voice. " Bartholomaeus Anglicus [13th century CE] (De proprietatibus rerum, book 12)
Julius Schiller united Pavo with Indus in his biblical figure 'S. Job.' Job is a character in the Book of Job in the Bible. The devil inflicted great suffering on him. "You have heard of the patience of Job, and you have seen the end of the Lord, that the Lord is merciful and compassionate" [James 5:11]