Proto-IE: *mast-, -zd-
Meaning: board, perch; flooring
Latin: mālus, -ī m. `senkrecht stehender Balken, Ständer; Mast, Mastbaum'
Celtic: OIr matan `Keule', MIr admat, Ir adhmad `Bauholz'; NIr maide Stock < *maidde < *mazdio-s
Russ. meaning: доска/жердь; настил