Where does “giga'” come from?

giga' (Lower Tanana) comes from Lower Tanana -i, from Lower Tanana yo, from Proto-Athabaskan *yaˑ — sky.

Ancestry of “giga'”, step by step

StepLanguageWordMeaning
1Lower Tanana-iA nominal suffix for non-human nouns with the meaning of 'the one who...,' 'with it [verb] is done.' Used to derive nouns from verbs, adverbs, and other nouns
2Lower Tananayosky
3Proto-Athabaskan*yaˑsky
Every word from Proto-Athabaskan *yaˑ →Every word from Lower Tanana -i →Every word from Lower Tanana yo →