English
infantly
From infant + -ly.
Formed from infant + -ly
Proto-Indo-European *bʰeh₂- ‘to speak’
Latin fāns ‘speaking’
Latin īnfāns ‘an infant’
Anglo-Norman enfaunt
Middle English infaunt ‘baby, infant’
English infant
Today it means
adj Like an infant; childlike.
Language periods are conventional ranges, not dates for this word.
Etymograph / infantly