James (one of several New Testament personalities, especially the apostle James the Greater)
Learned borrowing from Latin Iācōbus, from Ancient Greek Ἰάκωβος (Iákōbos), from Hebrew יַעֲקֹב (yaʿăqōḇ). Doublet of Jakob /Jacob, inherited from Middle High German.
Practice speaking and memorizing "Jakobus" and many other words and sentences in German.