hapax at PY
cf. au-de-we-sa-qe, ko-ro-no-we-sa, pe-de-we-sa, mi-to-we-sa, pi-ti-ro2-we-sa, to-qi-de-we-sa, we-i-we-sa, wo-ra-we-sa

Definitions

Bernabé & Luján 2008: histowessa, "provided with an upright support", cf. ἱστός 'mast'
Chadwick & Ventris 1973: describes a portable hearth, "provided with a ἱστός"

References

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