hap
noun luck; fortune.
(古) 偶然、運、運命
a chance occurrence, especially an event that is considered unlucky.
verb come about by chance
〈事が〉偶然に起こる;
have the fortune or luck to do something
偶然 «…» する «to do» ;
〖it ～s that節〗 たまたま…する(happen).
ORIGIN
Middle English: from Old Norse happ.