Linear B Syllabogram *90, /dwo/
Originally read as wo-wo. Risch in 1957 first recognized it as a separate sign.
Chadwick & Ventris 1973: δύο, δύω, cf. δ(F)ώδεκα
Chadwick & Ventris 1973: instrumental of dwo, cf. Arc. dual in -οιυν
DWO- Sign Groups
Chadwick, John and Michael Ventris, 1973 Documents in Mycenaean Greek
Risch 1957 TBD