Tocharian B Etymology Unknown. Possibly from Middle Persian hm. Noun ām ? silence Adverb ām quietly, silently Further reading Adams, Douglas Q. (2013) “ām”, in A Dictionary of Tocharian B: Revised and Greatly Enlarged (Leiden Studies in Indo-European; 10), Amsterdam, New York: Rodopi, →ISBN, page 47Wikiwand - on Seamless Wikipedia browsing. On steroids.