Question #afe7a

1 Answer
Nov 7, 2016

Assuming you want the simple past tense (there is no such thing as "pastense"):


Use of third as a verb is unusual but does exist (at least in my copy of The Oxford Universal Dictionary).

third v. trans. to divide into three equal parts.

Example usage:

Joe thirded the apple giving one piece to his sister, another to his little brother, and keeping the last piece for himself.