ʾeḥād אֶחָד ‘one’ (Hebrew)

Etymology^?: a numeral from ʾāḥad אָחַד ‘to go either way’
Roots: אחד

ʾeḥād adj
1) one (number)
 1a) one (number)
 1b) each, every
 1c) a certain
 1d) an (indefinite article)
 1e) only, once, once for all
 1f) one...another, the one...the other, one after another, one by one
 1g) first
 1h) eleven (in combination), eleventh (ordinal)