English
rainbowish
From rainbow + -ish.
Formed from rainbow + -ish
Proto-Indo-European *bʰewgʰ- ‘to bend’
…
Proto-Germanic *regnabugô
Proto-West Germanic *regnabogō
Old English reġnboga
Middle English reynbowe
English rainbow
Today it means
adj Resembling a rainbow.
Language periods are conventional ranges, not dates for this word.
Etymograph / rainbowish