bosom

From Middle English bosom, bosum, from Old English bōsm, from Proto-West Germanic *bōsm, from Proto-Germanic *bōsmaz, from Proto-Indo-European *bʰewH- (“to swell, bend, curve”). Cognate with Saterland Frisian Bossem, Bousem (“bosom”), West Frisian boezem (“bosom”), Dutch boezem (“bosom”), German Busen (“bosom”). Related also to Albanian buzë (“lip”), Greek βυζί (vyzí, “breast”), Romanian buză (“lip”), Irish bus (“lip”), and Latin bucca (“cheek”).