夏眠 is read as かみん (kamin) and means estivation.
かみん
kamin
なつばしょ
Summer Tournament (held in Tokyo in May)
かき
summer term (e.g. school)
なつくさ
summer grass
かきだいがく
university summer school
なつがっき
summer term (of school)
なつはづき
4th month of the lunar calendar
かきがっこう
summer school
なつほんばん
midsummer
なつむき
for summer
かかん
Ministry of War (Zhou dynasty China)
なつまけ
suffering from summer heat
なつじこく
daylight saving time