This is the 806th most frequent Lithuanian word.
veido
"Veido" means "face" (genitive case) in English.
'veido' is the genitive singular form of 'veidas', meaning 'face'. Here it is used to indicate possession.
Jis atsargiai nuplovė savo veido.
He carefully washed his face.
'veido' is used as an attributive genitive to modify 'istorijos' (history), describing the specific history being studied.
Ši knyga yra veido istorijos tyrimas.
This book is a study of the history of faces.
'veido' is in the genitive case, used here to indicate the part of the body where the expression was located.