Bernabé & Luján 2008: "according to its etymology, must be some kind of undergarment (cf. ὑποέστης χιτών) made out of flax"
Chadwick & Ventris 1973: description of tunics, cf. ὑποέστης χιτών
Bernabé, Alberto and Eugenio Luján, 2008 A Companion to Linear B: Mycenaean Greek Texts and their World (ed. Yves Duhoux and Anna Morpurgo Davies) “Mycenaean Technology”
Chadwick, John and Michael Ventris, 1973 Documents in Mycenaean Greek