[vcd]
Gleim, the M.E. substantive from which this Anglo-Norman term derives (cf. DEAF G832), is attested only from 1440 in both the MED gleim n.and OED gleim n. entries; medieval Latin has the verb glimare (DMLBS s.v., 1082c) but no substantive. The AND also registers the Anglo-Norman compounds englemure, engleimé, and glumus.