御食い初め[okuizome] weaning ceremony
為初め[shisome] outset
為初める[shisomeru] to begin to do
仮初[karisome] temporary
業界初[gyoukaihatsu] the industry's first ...

月初め[tsukihajime] beginning of month
最初[saisho] beginning
初めに[hajimeni] to begin with (used as an introduction)
初めは[hajimeha] at first
手初めに[tehajimeni] at first

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