[887] Indigo, so v.w. Indig.
Brockhaus-1809: Der Indigo
Brockhaus-1911: Indigo [2] · Indigo
Herder-1854: Indigo
Lemery-1721: Indigo
Lueger-1904: Indigo
Meyers-1905: Indĭgo · Indigo
Pierer-1857: Wilder Indigo · Georgia-Indigo