PWS

*ḥaḏVy- - breast (SED I No. 112)

Note likely related forms, with different shifts of meaning, in various Sem. languages (Arb., ESA: Min., Eth.: Gez., Amh.)

Hebrew
ḥāzǟ - breast (HALOT 301)
Biblical Aramaic
ḥădṓhī - chest (HALOT 1704)
pl.? du.? suff
Jewish Babylonian Aramaic
ḥadyā - breast, chest, bosom (Jastrow 426)
note ḥzy, det. ḥzyyh ‘breast’ [DJPA. 194] (< Hbr., «most probably an artifcial word» [ibid.]).
Syriac
ḥadyā - breast (LSyr. 216, SL 415)
Mandaic
hadia - breast, chest (MD 116)
Mlaḥso
ḥazyo - chest (Jastrow 1994:177)
Arabic
ḥiḏāˀa, ḥiḏwata - in front of (Lane 537)