Origin: Fr < sain, wholesome (< L sanus, healthy, confused in Fr with saint) + foin (< L faenum), hay
See sainfoin in American Heritage Dictionary 4
Origin: , from Old French
Origin: , from Medieval Latin sānum faenum
Origin: : Latin sānum
Origin: , neuter of sānus, healthy
Origin: + Latin faenum, hay; see dhē(i)- in Indo-European roots.
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