Ím (also Imr) is a jötunn in Norse mythology, and the son of Vafthrudnir.
Name The Old Norse name Ím has been translated as 'dust' (compare with Norw. īm 'smell', Far. ím 'soot [on a kettle]'; also Icel. ima 'heat', Swed. imme 'steam').
Attestation According to the stanza 5 of the poem Vafthrudnismal from the Poetic Edda:
"Then Odin went to try the wisdom of the all-wise giant [Vafthrudnir]; to the hall he came which Im's father owned; Odin went inside."
— Larrington trans.
Ím is also mentioned in a list of giants in the Skaldskaparmal section of the Prose Edda by Snorri Sturluson.
References
Bibliography
Larrington, Carolyne (transl.) (1996). The Poetic Edda. Oxford World's Classics. .