Englishfor English speakers
erst
—
adverb
(= once, at one time, erstwhile)
at a previous time
at one time he loved her
her erstwhile writing
she was a dancer once
ALS
—
noun
(= amyotrophic lateral sclerosis)
thickening of tissue in the motor tracts of the lateral columns and anterior horns of the spinal cord; results in progressive muscle atrophy that starts in the limbs