由于

由于	yóu yú	due to / as a result of / thanks to / owing to / since / because
由	yóu	to follow / from / because of; due to / by; via; through / (before a noun and a verb) it is for ... to ...
于	Yú	surname Yu
于	yú	to go / to take / sentence-final interrogative particle / variant of 于
于	yú	(of time or place) in; at; on / (indicating any indirect relation) to; toward; vis-à-vis; with regard to; for / (indicating a source) from; out of / (used in comparison) than / (used in the passive voice) by