セツ, サイ, き.る, き.る, き.り, き.り, ぎ.り, き.れる, き.れる, き.れ, き.れ, ぎ.れ, きつ, きり, ぎり
cut, cutoff, be sharp
JLPT4 G2 S4 F324
As per 七# (cut) + 刀 sword/knife → *cut* neatly into small pieces → *chop*; *break*; *snap* → *break off* → *stop*; *pause*; *place to stop/leave off doing*; *turn off*; *be out of*; *run out of*; *be short of* → *expire*; *end* (of a matter); *wear out*; *wear off*; *limit*. Also, *a piece*, *a slice* and *piece of cloth*, as well as *sell below cost* and *drain* (off). *Severe*, *serious*, *urge* and *work (on)* are from the "keen" and "sharp" elements in cutting.
[Full Kanji Etymology List]