E. Cobham Brewer 18101897. Dictionary of Phrase and Fable. 1898.
Loom
means a utensil. (Anglo-Saxon, loma). Thus heir-loom means a personaI chattel or household implement which goes by special custom to the heir. The word was in familiar use in Priors time (16641721), for he says a thousand maidens ply the purple loom.