entries → 伴
TSUMUGU · C1 (est.) · 字
伴 character · C1 (est.)
伴 ＝ 亻 ＋ 半
ㄅㄢˋ · bàn
noun — a companion — verb — to accompany

字源 FORM — what the parts do

亻義a person
半聲gives the soundbàn — also half: the one who makes up your other half
A person (亻) and 半, half. 半 carries the sound bàn, and half hints at the meaning too: the other half who goes alongside you — a companion. From there: 伴侶 a companion or spouse, 陪伴 to keep company, 伴奏 to accompany in music. 半 is dual-role — sound and a hint of the matched half.
意 · Meanings
(本義)同伴、陪伴— a companion; to accompany常用
→伴侶— a partner, a spouse常用
→伴奏— to accompany (in music)
(本義) original meaning · → ⇒ each arrow = one more step of extension
關 · Related
半bànthe sound it carries — 半 alone is half; 伴 adds 亻 for the other half who walks with you胖＝ 月 ＋ 半pàngthe 半 it shares — 胖 sets 半 beside flesh 月 for fat, plump