לָכֵן
lachen
Formal HebrewMeaningTherefore; for that reason. You use it to show that one thing happened because of another thing.
HistoryThis word is very old and comes from the Bible. It is made of two small words put together: "לָ" (la), which means "for", and "כֵן" (ken), which means "so" or "like this". So, all together it means "for this reason".
Example
היה קר בחוץ, לכן לבשתי מעיל.
It was cold outside, so I wore a coat.
