FROM STRONG’S HEBREW DICTIONARY (1890)

Strong’s Hebrew Dictionary (1890) — public domain, printed whole.

ma`aser mah-as-ayr' — or maasar {mah-as-ar'}; and (in plural) feminine maasrah {mah-as-raw'}; from 6240; a tenth; especially a tithe:-- tenth (part), tithe(-ing).

see HEBREW for 06240