The Hebrew word for unity is achdut - אַחְדוּת
Hebrew doesn't have symbols. It has letters and words. The Hebrew word for unity is akhdoot (אחדות)
There is no single word that means "compound unity" in hebrew. You can translate this phrase as:achdut murkevet (אחדות מורכבת), however, this is somewhat of an oxymoron.
You say 'Yalda' in Hebrew
Has in Hebrew is: YESH
"Tikra" (תקרה) is how you say ceiling in Hebrew.
unity
The English word "unity" is of Latin origin, neither Greek nor Hebrew. Unity in Hebrew is achdut (אחדות).
Unity = Einheit, Einheitlichkeit or Einigkeit
Unity in Swahili is "umoja."
"Boyfriend" in Hebrew is "khaver."
Mustache is 'Safam' in Hebrew
Shu'taf is partner in Hebrew