| 1 | English | pipeline | A conduit made of pipes used to convey water, gas... |
| 2 | English | line | A path through two or more points ; a continuous... |
| 3 | Middle English | line | rope, cord; line, rule, ruler, measure; rule,... |
| 4 | Old English | līne | line, rope, cord; line, cable, rope, hawser,... |
| 5 | Proto-West Germanic | *līnā | — |
| 6 | Proto-Germanic | līnǭ | that which is made of flax; line, chord, rope,... |
| 7 | Proto-Germanic | līną | flax |
| 8 | Proto-Indo-European | līno- | flax |