NOTE: this sign group was misread as (a)-u-po-no in the earliest editions of the transliteration of the KN U 4478 tablet (Duhoux 2011) and is occasionally incorrectly referenced in modern publications. ta-u-po-no is correct.
Duhoux 2011: no obvious Greek interpretation
Chadwick & Ventris 1973: anthroponym
Chadwick, John and Michael Ventris, 1973 Documents in Mycenaean Greek
Duhoux, Yves, 2011 A Companion to Linear B: Mycenaean Greek Texts and their World vol. II "Interpreting the Linear B Records: Some Guidelines"