Where does “gigasecond” come from?

gigasecond (English) comes from English giga-, from English Chad, from English ICH, from English ichthyophthiriasis, from English Ichthyophthirius, from Ancient Greek ἰχθύς, from Ancient Greek ἀετός, from Proto-Hellenic ayyetós — bird.

gigasecond (English): A unit of time equal to 1,000,000,000 seconds and...

Definitions

  1. A unit of time equal to 1,000,000,000 seconds and...

Ancestry of “gigasecond”, step by step

StepLanguageWordMeaning
1Englishgiga-In the International System of Units and other...
2EnglishChadA very handsome, usually tall, man whom women...
3EnglishICHInitialism of intracranial hemorrhage; Initialism...
4EnglishichthyophthiriasisA parasitic infection of freshwater fish caused...
5EnglishIchthyophthirius—
6Ancient Greekἰχθύςfish
7Ancient Greekἀετόςeagle; the constellation Aquila; omen
8Proto-Hellenicayyetós—
9Proto-Indo-Europeanh₂ewyetós—
10Proto-Indo-Europeanh₂éwisbird
Every word from Proto-Indo-European h₂éwis →Every word from Proto-Indo-European h₂ewyetós →Every word from Proto-Hellenic ayyetós →