| | | | |
| Gael.S. | udlachd | gloom |
| Gael.S. | oidhche | night |
| Gael.I. | odhar | dark |
| Gael.S. | odharag, odhrag | Cormorant, 105 |
| Cymric | huddygl | soot |
| Bulg., Sbc., Russian | ad | hell |
| Roman. | iad | hell |
| Anc.Greek | Hadès | god of hell |
| Anc.Greek | iodès | violet |
| Lat. | ianthina | violet blue |
| Franç.: VS | antziane | gentian |
| Franç. | gentiane | a violet blue flower |
| Roman. | ginturâ | gentian |
| Anc.Greek | hyakynthos | various blue flowers or stones |
| Lith. | juodas | black |
| Lith. | juodelis | Black Grouse, 8 |
| Franç. rég. | judelle | Coot, 138 |
| Engl. | jet (black) | deep black |
| Flemish | aget | jet |
| Franç. | jais (noir de) | (adj.) deep black; a black precious stone |
| Ital.: Capo d'Istria | iais | jet |
| Franç. (a. litt.) | jaiet | substance bitumeuse d'un noir luisant |
| Ital.: Piémont | giaiet | jet |
| Ital. | giaette | obsidian |
| Ital. | giavazzo | black bitumen |
| Franç.: Liège | gayète (neur comme) | jet black |
| Franç.: Bourgogne | jaié | id. |
| Anc.Greek | gagates | jet, whence O.French gagate |
| Ital. | gagáte | kind of black coal |
| Esp. | gagata, jagata | black ambre |