Meaning

noun the chest considered as the place where secret thoughts are kept

noun a person's breast or chest

noun cloth that covers the chest or breasts

originFrom 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…

Etymology from Wiktionary, CC BY-SA 3.0