父系

父系	fù xì	paternal line / patrilineal
父	fù	(bound form) father / (bound form) male relative of father's generation (as in 伯父) / (computing) (bound form) parent-
系	xì	to connect / to relate to / to tie up / to bind / to be (literary)
系	xì	system / department / faculty
系	jì	to tie / to fasten / to button up
系	xì	to connect / to arrest / to worry