避く is read as さく (saku) and means to avoid.
さく
saku
ひなん
taking refuge
さける
to avoid (physical contact with)
ひにん
contraception
ひしょ
escaping the summer heat
ひなんみん
evacuees
ひびょういん
isolation hospital
さけてとおれない
cannot be avoided (of a problem, etc.)
さけてはとおれない
ひし
abstention
ひきゅう
dodgeball
ひなんせいかつ
living in evacuation shelters
ひなんばしょ
emergency evacuation site (typically outdoors)