autocide1
/ˈɔːtə(ʊ)sʌɪd/rare
noun
A person who kills himself or herself.
Origin
Mid 17th century; earliest use found in David Person (fl. 1635). From auto- + -cide (hence an early hybrid formation, showing an element ultimately of Greek origin combined with one ultimately of Latin origin).
autocide2
/ˈɔːtə(ʊ)sʌɪd/originally and chiefly US
noun
1Death caused by or involving a motor vehicle, especially a car; specifically suicide committed by deliberately crashing one's car; an instance of this.
2Chiefly humorous. The destruction or ‘killing’ of a car.
Origin
1920s. From auto- + -cide. In the specific uses with reference to suicide, after suicide.
autocide3
/ˈɔːtə(ʊ)sʌɪd/Biology
noun
Autocidal control of insects.
Origin
1960s; earliest use found in Journal Agriculture. From auto- + -cide.