Where does “Ilonggo” come from?

Ilonggo (Tagalog) comes from Spanish ilongo, from Spanish -ó, from Latin Aramaicus, from Ancient Greek Ἀραμαϊκός, from Aramaic ܐܪܡܝܐ, from Aramaic ארמיא, from Aramaic ארם — Aram (son of Shem).

Ilonggo (Tagalog): a native or inhabitant of Iloilo or nearby areas of Panay, Guimaras, and Negros island and those tracing ancestry to such areas where Hiligaynon is spoken