arò noun /ā.ɾò/
Definitions
  1. dirge, lamentation; usually during a funeral
Etymology
From a- (“nominalizing prefix”) + rò (“to say, to lament”)
Component words
a-nominalizing prefix to say, to lament
Source: Wiktionary · etymology 2, where this word is spelled “aro”. Reference: en-aro-yo-noun-qftDNf9i