Where does “入江” come from?

入江 (Japanese) comes from Japanese 入り, from Japanese 入る, from Old Japanese いる.

入江 (Japanese): inlet

Definitions

入江 traces back through two separate lines of ancestry.

Step	Language	Word	Meaning
1	Japanese	入り	entering; entry, going in; entry, entering
2	Japanese	入る	to enter, go into, get into; to arrive; to join a...
3	Old Japanese	いる	—

Step	Language	Word	Meaning
1	Japanese	江	inlet, bay; large river; Alternative spelling of...
2	Old Japanese	え	—