巳年[midoshi] year of the snake
辰巳[tatsumi] southeast
己巳[kishi] sixth of the sexagenary cycle
上巳[joushi] March 3rd of the lunar calendar (one of the five annual festivals)
初巳[hatsumi] first Serpent day of the year

巳の日の祓[minohinoharae] purification ceremony held on the first day of the snake in the third month of the lunar calendar
辛巳[kanotomi] eighteenth of the sexagenary cycle
癸巳[mizunotomi] thirtieth of the sexagenary cycle
乙巳[kinotomi] 42nd of the sexagenary cycle

いい年をして[iitoshiwoshite] (in spite of) being old enough to know better
亥年[idoshi] year of the boar
一箇年[ikkanen] one year
一周年[isshuunen] one full year
一年以内に[ichineninaini] within a year

一年間[ichinenkan] (period of) one year
一年生[ichinensei] annual (plant)
一年草[ichinensou] annual (plant)
一年ぢゅう[ichinenjuu] all year round
一両年[ichiryounen] (a) year or two