Proto-Baltic: *pus=, *paus=
Meaning: half
Indo-European etymology: Indo-European etymology
Lithuanian: pùsē 'Hälfte', pus- in compos.
Lettish: pus- 'halb-, halbwegs'; puse 'Hälfte', pušu, pušum 'entzwei'
Old Prussian: pausan, pauson 'Hälfte', preipaus 'hin' (= 'zur Seite'), possisawaite V. 20 'Mittwoch'
Proto-IE: *pAus-
Meaning: side
Tokharian: AB poṣi 'Seite, Wand, Rippe', A posac, posaṃ 'neben'
Russ. meaning: сторона, бок
References: Fraenkel 676
