What is the meaning of いと?

a young child, a baby

a daughter

affixed to a noun referring to a person, indicating early childhood

伊都, 愛: a female given name

最, 甚: extremely, considerably

意図: intention, aim, design

異図: a treasonous or disloyal plan

糸: string, thread, line

従兄弟: a cousin

已度: excess

怡土: a former county in modern-day Fukuoka Prefecture

意図: to intend or aim or design to do something

異図: to plan to do something treasonous or disloyal

Source: wiktionary.org