Where does “brolly dolly” come from?

brolly dolly (English) comes from English umbrella, from Italian ombrella, from Late Latin umbrella, from Latin umbra, from Old Latin omra, from Proto-Indo-European h₂mr-u-.

brolly dolly (English): Synonym of grid girl

Definitions

Synonym of grid girl

Ancestry of “brolly dolly”, step by step

Step	Language	Word	Meaning
1	English	umbrella	Cloth-covered frame used for protection against...
2	Italian	ombrella	umbrella; The shady foliage of a tree; umbel
3	Late Latin	umbrella	—
4	Latin	umbra	a shadow; a shade; a ghost
5	Old Latin	omra	—
6	Proto-Indo-European	h₂mr-u-	—

Every word from Proto-Indo-European h₂mr-u- →Every word from Old Latin omra →Every word from Latin umbra →