The Hebrew bad (בַּד) carries multiple meanings depending on context: (1) alone, only, by oneself (often in the phrase levado, 'alone/by himself'); (2) a branch or shoot; and (3) linen — the priestly fabric of the tabernacle garments.
The word bad in its sense of 'alone' appears in one of Scripture's most profound divine declarations: Genesis 2:18 — 'It is not good for the man to be alone (levado)'. Aloneness is the first thing declared 'not good' in creation. This grounds the entire biblical vision of community, marriage, and the covenant community of Israel/Church. Meanwhile, bad as linen points to the priestly high calling — the high priest wore linen on Yom Kippur (Leviticus 16), and the heavenly beings in Ezekiel and Daniel appear clothed in linen.