Where does “sunshield” come from?

sunshield (English) comes from English Sun, from Middle English sunne, from Old English sunne, from Proto-West Germanic sunnā, from Proto-Germanic sunnǭ, from Proto-Indo-European sh̥₂uén, from Proto-Indo-European sóh₂wl̥ — sun.

sunshield (English): An assembly for protecting a space telescope from solar heat

Definitions

  1. An assembly for protecting a space telescope from solar heat

Ancestry of “sunshield”, step by step

sunshield traces back through two separate lines of ancestry.

via English Sun

StepLanguageWordMeaning
1EnglishSunAbbreviation of Sunday
2Middle EnglishsunneAlternative form of sonne; sun
3Old Englishsunnesun
4Proto-West Germanicsunnāsun
5Proto-Germanicsunnǭthe sun
6Proto-Indo-Europeansh̥₂uénsun; the Sun
7Proto-Indo-Europeansóh₂wl̥sun

via English shield

StepLanguageWordMeaning
1EnglishshieldAnything that protects or defends; defense;...
2Middle EnglishscheldA shield; An object that resembles a shield; Any...
3Old Englishsċieldshield
4Proto-West Germanicskeldushield
5Proto-Germanicskelduzshield
6Proto-Indo-European(s)keit-—
Every word from Proto-Indo-European sóh₂wl̥ →Every word from Proto-Indo-European sh̥₂uén →Every word from Proto-Germanic sunnǭ →
sunshield — Etymology, Origin & Word History | Etymology Explorer