# ἡμέρα/hēmera This word is a type of thing or idea. It is a noun. * This word can mean an entire day and night. * This word can mean daytime. This is the opposite of nighttime. * This word can mean a period of time. * Sometimes this word is used to talk about the time when a certain person lived. * Sometimes this word is used to talk about the time when a certain person ruled. * Sometimes this word is used to talk about a period of time when an event happened or will happen. * This word can mean a certain period of time when a certain person lived. * This word can mean a period of time of unknown length.