[fort.night.ly] adj (1800): occurring or appearing once in a fortnight
[2]fortnightly adv (1820): once in a fortnight: every fortnight [3]fortnightly n, pl -lies (1940): a publication issued fortnightly
[fort.night.ly] adj (1800): occurring or appearing once in a fortnight
[2]fortnightly adv (1820): once in a fortnight: every fortnight [3]fortnightly n, pl -lies (1940): a publication issued fortnightly
Merriam-Webster English vocab. Английский словарь Merriam Webster. 2012