early 14c., "allotted part, share," from Old French porcion "part, portion" (12c., Modern French portion) and directly from Latin portionem (nominative portio) "share, part," accusative of the noun in the phrase pro portione "according to the relation (of parts to each other)" (see proportion). From late 14c. in general sense of "section into which something is divided."
portion (v.)
"to divide in portions," early 14c., from Old French porcioner "share out, divide in portions," from porcion (see portion (n.)). Related: Portioned; portioning.
例文
1. A large portion of this cost devolves upon the patient.
この費用の大部分は患者にかかっている。
2.Damage was confined to a small portion of the castle.
城はわずかに損傷している。
3.I have spent a fairly considerable portion of my life here.
私の人生のかなり長い時間はここで過ごしています。
4.I had learnt a portion of the Koran.
私はコーランを少し学んだことがあります。
5.Three thousand dollars is no more than a portion .