The Tocharian B word saswe
Word saswe
s ɐ s w e
IPA sɐswe
Meaning lord

Comments
Douglas Q. Adams, “Etymological Dictionary of Tocharian B”, 1999, Brill

Other words that might be of interest
tāś ‘commander’, perneu ‘glorious’, nay ‘governance’, walo ‘king’, wayauca ‘leader’, käṣṣī ‘master’, klyomo ‘noble’, mäñcuṣke ‘prince’, mäñcuṣka ‘princess’, lāntsa ‘queen’, kamartīke ‘ruler’, oṅkipṣe ‘shameless’