underliern.
1. Something that lies under.
ΘΚΠ
the world > space > relative position > low position > [noun] > condition of being placed under > that which lies under
underlier1542
underlayer1594
underlaying1611
1542 in J. B. Paul Accts. Treasurer Scotl. (1908) VIII. 74 Deliverit to him to be underlyaris laid dowbill under the jeit of velvet, thre elnis blak sating.
1600 Abp. G. Abbot Expos. Prophet Ionah xxv. 522 The weight of which burthen, he is not well advised who seeketh not to support by some firme vnder-lyer.
2. Mining. (See quot. 1778.)
ΘΚΠ
society > occupation and work > workplace > places where raw materials are extracted > mine > [noun] > shaft > perpendicular
underlier1778
underlayer1850
1778 W. Pryce Mineralogia Cornubiensis 144 They sink the same Shaft deeper in the body of the Lode, upon its inclination or underlie; whence the Shaft becomes, and bears the name of, an Underlier.
This entry has not yet been fully updated (first published 1921; most recently modified version published online June 2019).
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n.1542