This is the 202nd most frequent Tamil word.
கலந
The Tamil word "கலந" does not appear to have a clear standalone meaning. It might be a typographical error or part of a larger word.
'கலந்தார்' refers to participating or joining in an event or group.
அவன் கூட்டத்தில் கலந்தார்.
He participated in the meeting.
'கலந்தது' indicates the mixing or combining of substances.
மணலுடன் தண்ணீர் கலந்தது.
Water mixed with sand.
'கலந்துளாள்' signifies becoming fully involved or engaged in an activity.