וגם המלצה על מילון אטימולוגי מקוון.

Of course I agree with you that Hebrew is a beautiful language, although I'm sure the Japanese think that their language is the most beautiful…

As to an online etymological dictionary – through this link https://alhatorah.org/ you can access the Alhatorah website. Go to the Mikraot Gedolot window, and there you can reach one of the finest biblical dictionaries:

  1. Brown, S. R. Driver, C. A. Briggs,A Hebrew and English Lexicon of the Old Testament, Oxford 1907 (dubbed BDB). By clicking on any word you get the relevant item.

As to the history of the alphabet, you can consult theses books:

Early history of the alphabet: an introduction to West Semitic epigraphy and palaeography /‎ by Joseph Naveh, Jerusalem:‎ Magnes Press,‎ ‪1982.

Origins of the alphabet /‎ Joseph Naveh, Jerusalem: Jerusalem Pub. House, 1996, c199You

You can also read the first part of the entry "Alphabet, Hebrew" in Encyclopaedia Judaica

Volume 2, by the same author