The best translation I can think of is "ለውድ፡ ደብተሬ" in Ethiopic script or "Wud debtere" which translates as "My Dear Notebook".
Meche
ciao Ciao is an Italian word but used in Amharic too. But to say goodbye in Amharic- Dehna hun for male and Dehna hugni for female.
Gewadegna
Tasfa
tsehaye
jember
diamond
bet
astelita
tnkara
i like you
Anbesa