The shell bone script of character Thousand is
and one horizontal line on the leg.
What does it mean? There are many explanations. Dictionary of Pictography gives its explanation: "(The person) is keeping moving". There is another explanation:"Many many people (slaves) are tied each other".
Let's look the shell bone script of character Abreast - 并 (Post 115)
In ancient China, people measure the land by steps because there was no measure instrument, no long ruler to measure big land. They estimate the land by how many steps in length and width. Thousand-step might be a number most used in measuring land, so it is reasonable for them to use the drawing of a person with a horizontal line, an indicative stroke, to represent Thousand steps. This is my explanation, the best one I feel.
The bronze script of the character is
Which is similar to the shell bone script.
The big seal script of the character is
Similar to the older scripts.
The small seal script of the character is
Which is a little bit strange, but actually is a small seal of character Person
just turns a little bit to let the person straight up, plus a horizontal line.
The clerical script of the character is
The song typeface of the character is
Same as the clerical script.
The Pinyin of the character is Qian1.