Plural form of 'aliyah' referring to multiple instances or waves of Jewish immigration to Israel.
This appears to be a formatting error or transcription issue; the standard plural is 'aliyahs' or 'aliyot.' The doubling of 'aliyah' suggests database duplication.
This entry looks like a data entry mistake—someone probably copy-pasted 'aliyah' twice in a database. The real plural in English is just 'aliyahs,' though in Hebrew it's 'aliyot.'
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