spontaneous
From LSJ
ἢν μή τις ὥσπερ σφηκιὰν βλίττῃ με κἀρεθίζῃ → may no one squeeze me and tease me like a wasp | may no one smoke me and tease me like a wasp | but if anyone annoys me and rifles my nest, they'll find a wasp inside | still if you wake a wasps' nest then of wasps you must beware
English > Greek (Woodhouse)
adj.
Automatic, acting of itself: P. and V. αὐτόματος.
Voluntary: P. and V. ἑκούσιος, αὐθαίρετος, αὐτεπάγγελτος.