fartless (English) comes from English fart, from Middle English ferten, from Old English feortan, from Proto-Germanic fertaną, from Proto-Indo-European perd- — to fart loudly, pass gas, break wind.
fartless (English): Without farts; shitless; very frightened
Definitions
Without farts; shitless; very frightened
Ancestry of “fartless”, step by step
fartless traces back through two separate lines of ancestry.