Based on that

 علام 

This word, written like this without vowels, could mean

عَلاّم

'allaam

which is a noun which means knowing thoroughly, having lots of knowledge (about something)




or it could mean

عَلاَمَ

'alaama

which is composed of the preposition عَلَى and the interrogative particle مَا and would mean

based on that, for that reason