אֶלְיָסָףʼElyâçâph

proper name, masculine: God has added

Pronunciation: el-yaw-sawf' · Hebrew/Aramaic (Old Testament) · H460

Meanings

a. chief of Gad (Numbers 1:14; Numbers 2:14; Numbers 7:42)

b. chief of Gershon (Numbers 3:24)

Same root

אֵלʼêl · H410strength; as adjective, mighty; especially the Almighty (but used also of any deity)
יָסַףyâçaph · H3254to add or augment (often adverbial, to continue to do a thing)

Where it appears

Appears 6 times in the Bible.

Numbers 1:14 Gad Eliasaph son of Deuel
Numbers 2:14 -Benjamin Abidan son of Gideoni35,400
Numbers 3:24 The leader of the Gershonite clans was Eliasaph son of Lael.
Numbers 7:42 On the sixth day Eliasaph son of Deuel, leader of the tribe of Gad, presented his offering.
Numbers 7:47 For a peace offering he brought two bulls, five rams, five male goats, and five one-year-old male lambs. This was the offering brought by Eliasaph son of Deuel.
Numbers 10:20 and the troops of the tribe of Gad, led by Eliasaph son of Deuel.

Source: Brown, Driver and Briggs, Hebrew and English Lexicon of the Old Testament (1906), public domain; markup by unfoldingWord, CC BY (github.com/unfoldingWord/Brown-Driver-Briggs-Enhanced).