frockless (English) comes from English frock, from Middle English frok, from Old French froc, from Frankish hrokk, from Proto-Germanic hrukkaz, from Proto-Indo-European rug(')- — upper clothes, shirt.
frockless (English): Without a frock
Definitions
Without a frock
Ancestry of “frockless”, step by step
frockless traces back through two separate lines of ancestry.