entries → 吧
TSUMUGU · TOCFL 1 · 字
character · TOCFL 1
吧 =
˙ㄅㄚ · ba/bā
particle — sentence-end softener: suggestion, agreement, a guess; (bā) a bar

字源 FORM — what the parts do

a mouth
bā — gives the sound
Tbā → ba — the tone fades to neutral in the particle
A mouth (口) with 巴 bā for sound — a graph built to write spoken syllables. At the end of a sentence it leans the words toward the listener: 走吧、好吧、是吧. Read bā, it spells the borrowed bar: 酒吧.
意 · Meanings
ba
(本義)走吧、好吧— the softener — suggestion, agreement常用
(假借)酒吧— a bar — the English sound borrowed
(本義) original meaning · → ⇒ each arrow = one more step of extension