Beelzebub 1357

[Neveracrossword]

My last one, just one little letter needed...

24 D. Early - very early - prehistoric hill fort (4) ?ath

Bath is all I can see, but have no real reasoning.

[Mamyalynne]

Rath

[scorpiojo]

Rath

[Mamyalynne]

rath1
rɑːθ/
nounARCHAEOLOGY
(in Ireland) a strong circular earthen wall forming an enclosure and serving as a fort and residence for a tribal chief.

[Neveracrossword]

Thanks, both of you. PS - I did try working my way through Chambers, but flagged around M or N. I should have persisted.