O.E.
bolster
"something stuffed so that it swells up," especially "long, stuffed
pillow," from P.Gmc.
*bolkhstraz,
fromPIE*bhelgh-"to swell" (seebelly
). Theverb in fig. sense is from 1508, on the notion of "to support with
a bolster, prop up."bolster
壹種被材料填充的而且脹大（swell
up）的東西，尤其指長、飽滿的枕頭同源belly肚子、腹部
中文叫枕頭，看來英文應該翻譯成枕肚了哈哈，正是在下壹貫的觀點，壹切在人體之中。送壹張圖：長枕頭，bolster