←
Old English hyrdel (inherited)
←
Old English *hyrd (mention)
←
Middle English hurdel (inherited)
←
Middle English hirdel (mention)
←
Middle English herdel (mention)
←
Middle English hyrdel (mention)
←
Proto-Indo-European *kreh₂- (derived)
→
English grill (mention)
→
Japanese ハードル (borrowed)