Key to Scientific Names in Ornithology
Gr. αρι- ari- very, good; γνωτος gnōtos well-known (cf. γνωτος gnōtos kinsman).
L. ignotus obscure, unknown < in- not; notus known < gnoscere (old form of noscere) to know.
L. terra land; ignotus unknown < in- not; gnotus old form of notus knbown < gnoscere old form of noscere to know.