“支” means pay in several Chinese phrases, corresponding to Pay in “Pay Pal”; “支”己 (zhi ji) is phonetically identical to 知己，which means good friends, thus corre

“支” means pay in several Chinese phrases, corresponding to Pay in “Pay Pal”; “支”己 (zhi ji) is phonetically identical to 知己，which means good friends, thus corresponding to the word Pal in “Pay Pal”. “支”己 is a coined word and here can be considered as a good friend in payment, which is lexically similar to Pay Pal.