For″ti‐eth (?), a. [AS. feówertigo�a. See Forty.] 1. Following the thirty-ninth, or preceded by thirty-nine units, things, or parts.
2. Constituting one of forty equal parts into which anything is divided.
Webster's Dictionary 1913
For″ti‐eth (?), a. [AS. feówertigo�a. See Forty.] 1. Following the thirty-ninth, or preceded by thirty-nine units, things, or parts.
2. Constituting one of forty equal parts into which anything is divided.