Maran-atha; Maranatha

Concise Bible Dictionary:

Two Aramaic words signifying “the Lord cometh,” added (perhaps as a kind of watchword) after the word Anathema, “let him be accursed,” applied to those who love not the Lord Jesus (1 Cor. 16:2222If any man love not the Lord Jesus Christ, let him be Anathema Maranatha. (1 Corinthians 16:22)).

Strong’s Dictionary of Greek Words:

Number:
3134 (find all occurrences in KJV Bible)
Greek:
μαρὰν ἀθά
Transliteration:
maran
Phonic:
mar’-an ath’-ah
Meaning:
of Chaldee origin (meaning our Lord has come); maranatha, i.e. an exclamation of the approaching divine judgment
KJV Usage:
Maran-atha

Jackson’s Dictionary of Scripture Proper Names:

the Lord comes

Potts’ Bible Proper Names:

an exclamation of approaching divine judgment, 1 Cor. 16:22. {Our Lord has come:}