两千五百 (liǎng qiān wǔ bǎi) — two thousand five hundred (2500)

Two or more meaningful parts placed together so that their meanings combine into a new one.

This origin belongs to the traditional form 兩; 两 is its simplified writing.

The traditional form 兩 is described as combining 一 and 㒳. The simplified 两 is a later abbreviation.

Most characters — around four in five — are built this way: one part hints at the meaning, the other at the pronunciation.

千 pairs 人, whose sound was similar, with 一, a number stroke; the extra line was explained as extension, and a thousand is a number reached by extending counting.

A drawing of the thing itself, worn down over three thousand years into a few strokes.

An older form had a crossed mark between a top bar and a bottom bar. The modern 五 keeps those bars, while the original idea is uncertain.

Most characters — around four in five — are built this way: one part hints at the meaning, the other at the pronunciation.

百 combines 一, which carries the number meaning, with 白, which provides the sound.