ironmonger
‘a dealer in iron goods’
Lexical development traced from the Tamil root:
E. irenmanger, irenmongyr, yrenemonger < M.E. iron < O.E. iren variant (with rhotacism of -s-) of isen < Proto-G. isarn < Ce. isarnon + monger < is-(e)ro ‘powerful, holy’ < ai < eis < Tamil irumpu