This is the 332nd most frequent Icelandic word.
sjó
The Icelandic word "sjó" means "sea" in English.
Here, 'sjóinn' is in the accusative case singular, showing the action of going into the sea.
Ég elska að fara í sjóinn á sumrin.
I love going to the sea in the summer.
'Sjómaðurinn' uses 'sjó' as part of a compound word meaning sailor, directly referring to profession related to the sea.
Sjómaðurinn lagði bát sinn við hafnargarðinn.
The sailor docked his boat by the harbor wall.
'sjóinn' is used in a direct object sense and refers to watching the ocean or sea body.